The function vsprintf () in C
the function int vsprintf (char * str, const char * format, va_list arg) in the standard c library sends the formatted output to a string string using a parameter list.
Tags : commands in library c
Function fscanf () in C
the int fscanf function (file * stream, const char * format, ...) in library c reads the input formatted from a stream.
Function scanf () in C
the function int scanf (const char * format, ...) in library c standard reads input that has been formatted from stdin.
The function sscanf () in C
the function int sscanf (const char * str, const char * format, ...) in library c standard reads the input formatted from a string.
Function fgetc () in C
the function int fgetc (file * stream) in c library standard takes the next character (an unsigned char) from the given stream and increases the position indicator for that stream.