unlocked_stdio(3)          Library Functions Manual          unlocked_stdio(3)

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       getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked -
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       #include <stdio.h>

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

       void clearerr_unlocked(FILE *stream);
       int feof_unlocked(FILE *stream);
       int ferror_unlocked(FILE *stream);
       int fileno_unlocked(FILE *stream);
       int fflush_unlocked(FILE *_Nullable stream);

       int fgetc_unlocked(FILE *stream);
       int fputc_unlocked(int c, FILE *stream);

       size_t fread_unlocked(size_t size, size_t n;
                             void ptr[restrict size * n],
                             size_t size, size_t n,
                             FILE *restrict stream);
       size_t fwrite_unlocked(size_t size, size_t n;
                             const void ptr[restrict size * n],
                             size_t size, size_t n,
                             FILE *restrict stream);

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

       #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(int n;
                             wchar_t ws[restrict n], int n,
                             FILE *restrict stream);
       int fputws_unlocked(const wchar_t *restrict ws,
                             FILE *restrict stream);

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   <?><?><?><?><?><?><?> <?><?> glibc (<?><?><?><?> feature_test_macros(7)):

       getc_unlocked(), getchar_unlocked(), putc_unlocked(),
       putchar_unlocked():
           /* glibc >= 2.24: */ _POSIX_C_SOURCE >= 199309L
               || /* glibc <= 2.23: */ _POSIX_C_SOURCE
               || /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE

       clearerr_unlocked(), feof_unlocked(), ferror_unlocked(),
       fileno_unlocked(), fflush_unlocked(), fgetc_unlocked(),
       fputc_unlocked(), fread_unlocked(), fwrite_unlocked():
           /* glibc >= 2.19: */ _DEFAULT_SOURCE
               || /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE

       fgets_unlocked(), fputs_unlocked(), getwc_unlocked(),
       getwchar_unlocked(), fgetwc_unlocked(), fputwc_unlocked(),
       putwchar_unlocked(), fgetws_unlocked(), fputws_unlocked():
           _GNU_SOURCE

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       <?><?><?><?> attributes(7).

       +----------------------+------------------------------------+----------+
       |<?><?><?><?><?><?><?> | <?><?><?><?><?>                    | <?><?><?><?><?><?> |
       +----------------------+------------------------------------+----------+
       |getc_unlocked(),      | <?><?><?><?><?> <?><?><?><?><?><?> | MT-Safe  |
       |putc_unlocked(),      |                                    | race:stream |
       |clearerr_unlocked(),  |                                    |          |
       |fflush_unlocked(),    |                                    |          |
       |fgetc_unlocked(),     |                                    |          |
       |fputc_unlocked(),     |                                    |          |
       |fread_unlocked(),     |                                    |          |
       |fwrite_unlocked(),    |                                    |          |
       |fgets_unlocked(),     |                                    |          |
       |fputs_unlocked(),     |                                    |          |
       |getwc_unlocked(),     |                                    |          |
       |fgetwc_unlocked(),    |                                    |          |
       |fputwc_unlocked(),    |                                    |          |
       |putwc_unlocked(),     |                                    |          |
       |fgetws_unlocked(),    |                                    |          |
       |fputws_unlocked()     |                                    |          |
       +----------------------+------------------------------------+----------+
       |getchar_unlocked(),   | <?><?><?><?><?> <?><?><?><?><?><?> | MT-Unsafe |
       |getwchar_unlocked()   |                                    | race:stdin |
       +----------------------+------------------------------------+----------+
       |putchar_unlocked(),   | <?><?><?><?><?> <?><?><?><?><?><?> | MT-Unsafe |
       |putwchar_unlocked()   |                                    | race:stdout |
       +----------------------+------------------------------------+----------+
       |feof_unlocked(),      | <?><?><?><?><?> <?><?><?><?><?><?> | MT-Safe  |
       |ferror_unlocked(),    |                                    |          |
       |fileno_unlocked()     |                                    |          |
       +----------------------+------------------------------------+----------+
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       getc_unlocked()
       getchar_unlocked()
       putc_unlocked()
       putchar_unlocked()
              POSIX.1-2008.

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              <?><?> <?><?><?>.

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       getc_unlocked()
       getchar_unlocked()
       putc_unlocked()
       putchar_unlocked()
              POSIX.1-2001.

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       flockfile(3)<?> stdio(3)

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       <kde-l10n-ar@kde.org>.


<?><?><?><?><?> <?><?><?><?> <?><?><?><?><?> 6.18
                           8 <?><?><?><?><?><?> 2026         unlocked_stdio(3)