putc (3) Linux Manual Page
fputc, fputs, putc, putchar, puts – output of characters and strings
Synopsis
#include <stdio.h>
int fputc(int c, FILE *stream);
int fputs(const char *s, FILE *stream);
int putc(int c, FILE *stream);
int putchar(int c);
int puts(const char *s);
Description
fputc() writes the character c, cast to an unsigned char, to stream.
fputs() writes the string s to stream, without its terminating null byte (‘
