Ubuntu manuals

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NAME

       *_unlocked -

SYNOPSIS

       #include <stdio.h>

       int getc_unlocked(FILE *stream);
       int getchar_unlocked(void);
       int putc_unlocked(int c, FILE *stream);
       int putchar_unlocked(int c);

       #define _BSD_SOURCE /* or _SVID_SOURCE or _GNU_SOURCE */
       #include <stdio.h>

       void clearerr_unlocked(FILE *stream);
       int feof_unlocked(FILE *stream);
       int ferror_unlocked(FILE *stream);
       int fileno_unlocked(FILE *stream);
       int fflush_unlocked(FILE *stream);
       int fgetc_unlocked(FILE *stream);
       int fputc_unlocked(int c, FILE *stream);
       size_t fread_unlocked(void *ptr, size_t size, size_t n,
         FILE *stream);
       size_t fwrite_unlocked(const void *ptr, size_t size, size_t n,
         FILE *stream);

       #define _GNU_SOURCE
       #include <stdio.h>

       char *fgets_unlocked(char *s, int n, FILE *stream);
       int fputs_unlocked(const char *s, FILE *stream);

       #define _GNU_SOURCE
       #include <wchar.h>

       wint_t getwc_unlocked(FILE *stream);
       wint_t getwchar_unlocked(void);
       wint_t fgetwc_unlocked(FILE *stream);
       wint_t fputwc_unlocked(wchar_t wc, FILE *stream);
       wint_t putwc_unlocked(wchar_t wc, FILE *stream);
       wint_t putwchar_unlocked(wchar_t wc);
       wchar_t *fgetws_unlocked(wchar_t *ws, int n, FILE *stream);
       int fputws_unlocked(const wchar_t *ws, FILE *stream);

DESCRIPTION

        `_unlocked`  () flockfile(3)

CONFORMING TO

              getc_unlocked(),       getchar_unlocked(),      putc_unlocked(),
       putchar_unlocked()  POSIX.1 *_unlocked()  Unix  glibc

SEE ALSO

       flockfile(3)

                                  2001-10-18                 UNLOCKED_STDIO(3)