Function vfprintf () in C
the int vfprintf function (file * stream, const char * format, va_list arg) in the standard c library sends the formatted output to a stream using a parameter list.
the int vfprintf function (file * stream, const char * format, va_list arg) in the standard c library sends the formatted output to a stream using a parameter list.
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.
the int fscanf function (file * stream, const char * format, ...) in library c reads the input formatted from a stream.
the function int scanf (const char * format, ...) in library c standard reads input that has been formatted from stdin.
the function int sscanf (const char * str, const char * format, ...) in library c standard reads the input formatted from a string.
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.
char * fgets (char * str, int n, file * stream) in standard c library reads a line from the given stream and stores it in the string pointed by str. it stops when any of the
the function int fputc (int char, file * stream) in library c writes one character (an unsigned char) defined by the char parameter to the given stream and increases the position
the function int fputs (const char * str, file * stream) in the standard c library writes a string to the specified stream (not writing null characters).
the int feof function (file * stream) in the standard library c checks the end-of-file indicator for the given stream.