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Code index

• # output conversion specifier modifier: Formatted output conversion specifiers
• #define preprocessor directive: Macros
• #else preprocessor directive: A few directives
• #error preprocessor directive: A few directives
• #if preprocessor directive: A few directives
• #ifdef preprocessor directive: Macros
• #ifndef preprocessor directive: Macros
• #include preprocessor directive: A few directives
• #line preprocessor directive: A few directives
• #undef preprocessor directive: Macros
• % input conversion specifier: Formatted input conversion specifiers
• % integer remainder operator: Expressions and values
• % mod operator: Expressions and values
• % modulo operator: Expressions and values
• % output conversion specifier: Formatted output conversion specifiers
• & bitwise operator: Bitwise operators
• & bitwise operator truth table: Bitwise AND
• & pointer operator: Pointer operators
• &= bitwise operator: Bitwise operators
• ' input conversion specifier modifier: Formatted input conversion specifiers
• ' output conversion specifier modifier: Formatted output conversion specifiers
• * input conversion specifier modifier: Formatted input conversion specifiers
• * multiplication operator: Expressions and values
• * operator: Expressions and operators
• * pointer operator: Pointer operators
• *= operator: More Special Assignments
• + addition operator: Expressions and values
• + operator: Expressions and operators
• + output conversion specifier modifier: Formatted output conversion specifiers
• + unary plus operator: Expressions and values
• ++ increment operator: Postfix and prefix ++ and --, Special Assignment Operators ++ --
• ++ operator: Hidden operators and values
• ++ postfix operator: Postfix and prefix ++ and --
• ++ prefix operator: Postfix and prefix ++ and --
• += operator: Hidden operators and values, More Special Assignments
• , operator: The comma operator
• - operator: Expressions and operators
• - output conversion specifier modifier: Formatted output conversion specifiers
• - subtraction operator: Expressions and values
• - unary minus operator: Expressions and values
• -- decrement operator: Postfix and prefix ++ and --, Special Assignment Operators ++ --
• -- operator: Hidden operators and values
• -- postfix operator: Postfix and prefix ++ and --
• -- prefix operator: Postfix and prefix ++ and --
• --static option of GCC: Building a library
• -= operator: Hidden operators and values, More Special Assignments
• -> dot operator of structures: Using structures
• -> member operator: Memory allocation
• -c option of GCC: Building a library
• -fPIC option of GCC: Building a library
• -fpic option of GCC: Building a library
• -I option of GCC: Building a library, Common library functions
• -l option of GCC: Building a library
• -L option of GCC: Building a library
• . dot operator of structures: Using structures
• .a file suffix: Kinds of library, File names
• .c file suffix: File names
• .h file suffix: File names
• .o file suffix: File names
• .so file suffix: Kinds of library, File names
• / div operator: Expressions and values
• / division operator: Expressions and values
• / integer division operator: Expressions and values
• /usr/include directory: Common library functions, Header files
• /usr/include/linux directory: Common library functions
• 0 output conversion specifier modifier: Formatted output conversion specifiers
• 0 return code: argp description
• < less-than operator: Expressions and operators
• << bitwise operator: Bitwise operators
• <<= bitwise operator: Bitwise operators
• = (equals sign): Errors
• = assignment operator: The assignment operator
• = confused with ==: Confusion of = and ==, Comparisons and logic, Important note about assignment
• = operator: Hidden operators and values
• == confused with =: Confusion of = and ==
• == confused with =: Comparisons and logic, Important note about assignment
• > greater-than operator: Expressions and operators
• >> bitwise operator: Bitwise operators
• >>= bitwise operator: Bitwise operators
• ? operator: The question mark operator, Decisions
• [ input conversion specifier: Formatted input conversion specifiers
• ^ bitwise operator: Bitwise operators
• ^ bitwise operator truth table: Bitwise exclusive OR (XOR/EOR)
• ^= bitwise operator: Bitwise operators
• a input conversion specifier modifier: Formatted input conversion specifiers
• a.out: The compiler
• abs function: Mathematical functions
• acos function: Mathematical functions
• ar program: Building a library
• ARG field: argp description
• ARG parser function argument: argp description
• arg_num field: argp description
• argc variable: argc and argv
• argp function: argp description, Processing command-line options
• ARGP structure: argp description
• ARGP_ERR_UNKNOWN return code: argp description
• ARGP_KEY_ARG key: argp description
• ARGP_KEY_END key: argp description
• argp_option structure: argp description
• argp_option structure fields: argp description
• argp_parse function: argp description
• argp_usage function: argp description
• ARGS_DOC field: argp description
• arguments structure: argp description
• argv array: Environment variables
• argv variable: argc and argv
• asin function: Mathematical functions
• asprintf function: asprintf
• atan function: Mathematical functions
• atan2 function: Mathematical functions
• atof function: String library functions
• atoi function: String library functions
• atol function: String library functions
• auto storage class specifier: Other storage classes
• bdflush daemon: Stream buffering
• break command: Terminating loops with break, The switch statement
• c input conversion specifier: Formatted input conversion specifiers
• c output conversion specifier: Formatted output conversion specifiers
• cast operator: Cast operator demo, The cast operator
• ceil function: Mathematical functions
• char type: Conventions and declarations, The char type, Integer variables
• clean makefile target: Rules for cleaning the directory
• clearerr function: End-of-file and error functions
• close function: Closing files at a low level
• const type: const, Constants, More data types
• cos function: Mathematical functions
• cosh function: Mathematical functions
• creat function: File creation
• ctype.h header file: Character handling, Common library functions
• d input conversion specifier: Formatted input conversion specifiers
• d output conversion specifier: Formatted output conversion specifiers
• do ... while command: Loops
• DOC field: argp description
• double type: Floating point variables
• E input conversion specifier: Formatted input conversion specifiers
• E output conversion specifier: Formatted output conversion specifiers
• e output conversion specifier: Formatted output conversion specifiers
• EACCES file name error: Renaming files at a low level, Deleting files at a low level, Opening files at a low level, Usual file name errors
• EBADF file name error: Finding file positions at a low level, Writing files at a low level, Reading files at a low level, Closing files at a low level
• EBUSY file name error: Renaming files at a low level, Deleting files at a low level
• EEXIST file name error: Opening files at a low level
• EFBIG file name error: Writing files at a low level
• EINTR file name error: Writing files at a low level
• EINVAL error code: argp description
• EINVAL file name error: Renaming files at a low level, Finding file positions at a low level, Writing files at a low level
• EIO file name error: Writing files at a low level, Reading files at a low level
• EISDIR file name error: Renaming files at a low level, Opening files at a low level
• ELOOP file name error: Usual file name errors
• else command: Decisions
• EMFILE file name error: Opening files at a low level
• EMLINK file name error: Renaming files at a low level
• ENAMETOOLONG file name error: Usual file name errors
• ENOENT file name error: Renaming files at a low level, Deleting files at a low level, Opening files at a low level, Usual file name errors
• ENOMEM error code: argp description
• ENOSPC file name error: Renaming files at a low level, Writing files at a low level, Opening files at a low level
• ENOTDIR file name error: Usual file name errors
• ENOTEMPTY file name error: Renaming files at a low level, Deleting files at a low level
• enum type: enum, More data types
• envp array: Environment variables
• EOF character: ungetc
• EPERM file name error: Deleting files at a low level
• EROFS file name error: Renaming files at a low level, Deleting files at a low level, Opening files at a low level
• errno system variable: argp description, Renaming files at a low level, Deleting files at a low level, Writing files at a low level, Reading files at a low level, Closing files at a low level, Opening files at a low level
• error_t function: argp description
• ESPIPE file name error: Finding file positions at a low level
• EXDEV file name error: Renaming files at a low level
• exit command: The exit function
• exp function: Mathematical functions
• extern storage class specifier: External variables
• f input conversion specifier: Formatted input conversion specifiers
• f output conversion specifier: Formatted output conversion specifiers
• fabs function: Mathematical functions
• FALSE macro: Comparisons and logic
• fclose command: Closing a file
• fclose function: Closing files at a low level
• FE_ALL_EXCEPT function: Mathematical errors
• FE_DIVBYZERO floating-point exception: Mathematical errors
• FE_INEXACT floating-point exception: Mathematical errors
• FE_INVALID floating-point exception: Mathematical errors
• FE_OVERFLOW floating-point exception: Mathematical errors
• FE_UNDERFLOW floating-point exception: Mathematical errors
• feof function: End-of-file and error functions
• ferror function: End-of-file and error functions
• fetestexcept function: Mathematical errors
• fflush function: Uncoordinated output, Stream buffering
• fgetc function: getc and fgetc
• fgets function: fgets, String output and input
• file status flag: Opening files at a low level
• FLAGS field: argp description
• float type: Floating point variables
• floor function: Mathematical functions
• fopen command: Opening a file, Input and output
• for command: Arrays and for loops, The flexibility of for, for, Loops
• fprintf function: fprintf
• fputc function: putc and fputc
• fputs function: fputs, String output and input
• fread function: Block input and output
• free function: Memory allocation
• fscanf function: fscanf
• fseek function: ungetc, File position
• fsync function: Writing files at a low level
• ftell function: File position
• fwrite function: Block input and output
• G input conversion specifier: Formatted input conversion specifiers
• g input conversion specifier: Formatted input conversion specifiers
• gcc: Compiling multiple files, argc and argv, The compiler
• getc function: getc and fgetc
• getchar function: getchar
• getdelim function: getdelim, String output and input
• getenv function: Environment variables
• getline function: getline, String output and input
• getopt function: Processing command-line options
• gets function: gets, String output and input
• glibc library: Character handling, Header files, Libraries
• goto command: A word about goto
• grep command: Programming with pipes
• h input conversion specifier modifier: Formatted input conversion specifiers
• i input conversion specifier: Formatted input conversion specifiers
• i output conversion specifier: Formatted output conversion specifiers
• if command: Nested if statements, if, Decisions
• INFINITY macro: Mathematical errors
• input conversion specifier: Formatted input conversion specifiers
• input field: argp description
• int type: Integer variables
• isalnum function: Character handling
• isalpha function: Character handling
• isascii function: Character handling
• iscntrl function: Character handling
• isdigit function: Character handling
• isgraph function: Character handling
• islower function: Character handling
• isprint function: Character handling
• ispunct function: Character handling
• isspace function: Character handling
• isupper function: Character handling
• isxdigit function: Character handling
• KEY field: argp description
• KEY parser function argument: argp description
• L input conversion specifier modifier: Formatted input conversion specifiers
• l input conversion specifier modifier: Formatted input conversion specifiers
• L output conversion specifier modifier: Formatted output conversion specifiers
• l output conversion specifier modifier: Formatted output conversion specifiers
• LD_LIBRARY_PATH shell variable: Building a library
• limits.h header file: Mathematical functions
• ll input conversion specifier modifier: Formatted input conversion specifiers
• ll output conversion specifier modifier: Formatted output conversion specifiers
• log function: Mathematical functions
• log10 function: Mathematical functions
• long double type: Floating point variables
• long float type: Floating point variables
• long long type: Integer variables
• long type: Integer variables
• lseek function: Finding file positions at a low level
• m output conversion specifier: Usual file name errors, Formatted output conversion specifiers
• make program: Writing a makefile
• malloc function: Memory allocation
• math.h header file: Mathematical functions, Common library functions, Header files
• math.h system header file: Actual parameters and formal parameters
• NAME field: argp description
• NAN macro: Mathematical errors
• NULL pointer: Initializing your data structure
• O_APPEND file status flag: Opening files at a low level
• O_CREAT file status flag: Opening files at a low level
• O_EXCL file status flag: Opening files at a low level
• O_EXEC file status flag: Opening files at a low level
• O_RDONLY file status flag: Opening files at a low level
• O_RDWR file status flag: Opening files at a low level
• O_TRUNC file status flag: Opening files at a low level
• O_WRITE file status flag: Opening files at a low level
• O_WRONLY file status flag: Opening files at a low level
• OBJ makefile variable: Variables simplify makefiles
• obj makefile variable: Variables simplify makefiles
• objects: Variables simplify makefiles
• OBJECTS makefile variable: Variables simplify makefiles
• OBJS makefile variable: Variables simplify makefiles
• objs makefile variable: Variables simplify makefiles
• off_t type: Finding file positions at a low level
• open command: Input and output
• open function: Closing files at a low level, File creation, Opening files at a low level
• OPTION_ALIAS option flag: argp description
• OPTION_ARG_OPTIONAL option flag: argp description
• OPTION_HIDDEN option flag: argp description
• OPTIONS field: argp description
• PARSER field: argp description
• pclose function: Programming with pipes
• popen function: Programming with pipes
• pow function: Mathematical functions
• printf: Function examples
• printf function: Formatted output conversion specifiers, printf
• ps command: Programming with pipes
• putc function: putc and fputc
• putchar function: putchar
• puts function: puts, String output and input
• q input conversion specifier modifier: Formatted input conversion specifiers
• q output conversion specifier modifier: Formatted output conversion specifiers
• read function: Writing files at a low level, Reading files at a low level
• realloc function: Memory allocation
• register storage class specifier: Other storage classes
• rename function: Renaming files at a low level
• return command: Terminating loops with return, Example 15, The exit function
• rewind function: ungetc
• rewind macro: File position
• rm program: A simple makefile
• rmdir function: Deleting files at a low level
• s input conversion specifier: Formatted input conversion specifiers
• s output conversion specifier: Formatted output conversion specifiers
• scanf function: String overflows with scanf, scanf, Pointers
• SEEK_CUR constant: Finding file positions at a low level
• SEEK_END constant: Finding file positions at a low level
• SEEK_SET constant: Finding file positions at a low level
• short type: Integer variables
• sin function: Mathematical functions, Header files
• sinh function: Mathematical functions
• size_t type: Block input and output
• sizeof function: Memory allocation
• SPACE output conversion specifier modifier: Formatted output conversion specifiers
• sprintf function: sprintf, Deprecated formatted string output functions
• sqrt function: Mathematical functions, Actual parameters and formal parameters
• sscanf function: sscanf
• STATE parser function argument: argp description
• static storage class specifier: Static variables
• stdarg.h system header file: Variadic functions
• stdin device: Stream buffering
• stdio.h header file: Header files
• stdlib.h header file: String library functions
• stdout device: Stream buffering
• strcat function: String library functions
• strcmp function: String library functions
• strcpy function: String library functions
• string.h header file: String library functions, Common library functions
• strlen function: String library functions
• strncat function: String library functions
• strncmp function: String library functions
• strncpy function: String library functions
• strstr function: String library functions
• struct type: struct, struct and union, More data types
• switch command: The switch statement, Decisions
• tan function: Mathematical functions
• tanh function: Mathematical functions
• tgmath.h header file: Mathematical functions
• toascii function: Character handling
• tolower function: Character handling
• toupper function: Character handling
• TRUE macro: Comparisons and logic
• typedef command: typedef
• u output conversion specifier: Formatted output conversion specifiers
• ungetc function: ungetc
• union type: union, struct and union, More data types
• unlink function: Deleting files at a low level
• unsigned char type: The char type, Integer variables
• unsigned int type: Integer variables
• unsigned long long type: Integer variables
• unsigned long type: Integer variables
• unsigned short type: Integer variables
• void type: void, More data types
• volatile type: volatile, More data types
• while command: Loops
• write function: Writing files at a low level
• X input conversion specifier: Formatted input conversion specifiers
• x input conversion specifier: Formatted input conversion specifiers
• X output conversion specifier: Formatted output conversion specifiers
• x output conversion specifier: Formatted output conversion specifiers
• z input conversion specifier modifier: Formatted input conversion specifiers
• Z output conversion specifier modifier: Formatted output conversion specifiers
• z output conversion specifier modifier: Formatted output conversion specifiers
• | (pipe symbol): Programming with pipes
• | bitwise operator: Bitwise operators
• | bitwise operator truth table: Bitwise inclusive OR
• |= bitwise operator: Bitwise operators
• ~ bitwise operator: Bitwise operators
• ~ bitwise operator truth table: Bitwise NOT