PUTS(3) Linux Programmer's Manual PUTS(3)
NAMEfputc, 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(char *s); int ungetc(int c, FILE *stream);
DESCRIPTIONfputc() writes the character c, cast to an unsigned char, to stream. fputs() writes the string s to stream, without its trail- ing '\0'. putc() is equivalent to fputc() except that it may be implemented as a macro which evaluates stream more than once. putchar(c); is equivalent to putc(c,stdout). puts() writes the string s and a trailing newline to std- out. Calls to the functions described here can be mixed with each other and with calls to other output functions from the stdio library for the same output stream.
RETURN VALUESfputc(), putc() and putchar() return the character written as an unsigned char cast to an int or EOF on error. puts() and fputs() return a non - negative number on suc- cess, or EOF on error.
CONFORMS TOANSI - C, POSIX.1
BUGSIt is not advisable to mix calls to output functions from the stdio library with low - level calls to write() for the file descriptor associated with the same output stream; the results will be undefined and very probably not what you want.
write, fopen, fwrite, scanf, gets,
GNU April 4, 1993 1
PUTS(3) Linux Programmer's Manual PUTS(3)fseek(3), ferror(3)
GNU April 4, 1993 2
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