I/O on terminal

“fgetc - get byte from stream”

“fgets - get string from stream”

“fgetwc - get wide character string from stream”

“fgetws - get wide character string from stream”

“fprintf, printf, sprintf - write formatted output on output stream”

“fputc - put byte on stream”

“fputs - put string on stream”

“fputwc - put wide-character code on stream”

“fputws - put wide character string on stream”

“fread - read binary data”

“fscanf, scanf, sscanf - read formatted input”

“fwprintf, swprintf, vfwprintf, vswprintf, vwprintf, wprintf - output formatted wide characters”

“fwrite - output binary data”

“fwscanf, swscanf, wscanf - formatted read”

“getc - get byte from stream”

“getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked - standard I/O with explicit lock by the client”

“getmsg - get message from STREAMS file”

“getopt, optarg, optind, opterr, optopt - command option parsing”

“getpass - read string of characters without echo”

“getpmsg - get message from STREAMS file”

“gets - get string from standard input stream”

“getw - read word from stream”

“getwc - get wide character from stream”

“getwchar - get wide character from standard input stream”

"optarg, opterr, optind, optopt - variables for command options" (see optarg, opterr, optind, optopt in chapter "getopt, optarg, optind, opterr, optopt - command option parsing")

“poll - multiplex STREAMs I/O”

„printf - write formatted output on standard output stream" (see printf in chapter "fprintf, printf, sprintf - write formatted output on output stream")

“putc, putc_unlocked - put byte on stream”

“putchar - put byte on standard output stream (thread-safe)”

“putmsg, putpmsg - send message to STREAMS file”

“puts - put string on standard output”

“putw - put word on stream”

“putwc - put wide character on stream”

“putwchar - put wide character on standard output stream”

“read - read bytes from file”

“readv - read array from file”

“readdir - read directory”

“readdir_r - read directory (thread-safe)”

“readlink, readlinkat - read contents of symbolic link”

„scanf - read formatted input from standard input stream" (see scanf in chapter "fscanf, scanf, sscanf - read formatted input")

“setbuf - assign buffering to stream”

“setvbuf - assign buffering to stream”

“snprintf - formatted output to a string”

“sprintf - write formatted output to string”

"sscanf - read formatted input from string" (see sscanf in chapter "fscanf, scanf, sscanf - read formatted input")

“stderr, stdin, stdout - variables for standard I/O streams”

“swprintf - output formatted wide characters”

“swscanf - formatted read”

“ungetc - push byte back onto input stream”

“ungetwc - push wide character back onto input stream”

“va_arg - process variable argument list”

“va_end - end variable argument list”

“va_start - initialize variable argument list”

“vfprintf, vprintf, vsprintf - formatted output of variable argument list”

"vfscanf, vscanf, vsscanf - formatted read from variable argument list"

“vfwprintf - formatted output of wide characters”

"vfwscanf, vswscanf, vwscanf- formatted read of wide character from variable argument list"

“vsnprintf - formatted output to a string”

“vprintf - formatted output to standard out”

“vsprintf - formatted output to a string”

“vswprintf - formatted output of wide characters”

“vwprintf - formatted output of wide characters”

“wprintf - formatted output of wide characters”

“write - write bytes to file”

“writev - write to file”

“wscanf - formatted read”