putchar() STDIO putchar() Write a character onto the standard output #include <stdio.h> int putchar(c) char c; putchar is a macro that expands to putc(c, stdout). It writes a character onto the standard output. ***** Example ***** For an example of this routine, see the entry for getchar. ***** See Also ***** fputc(), putc(), STDIO ***** Diagnostics ***** putchar returns EOF when a write error occurs. ***** Notes ***** Because putchar is a macro, arguments with side effects may not work as expected. COHERENT Lexicon Page 1