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| al_fungetc(3) | al_fungetc(3) |
NAME
al_fungetc - Allegro 5 APISYNOPSIS
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#include <allegro5/allegro.h> int al_fungetc(ALLEGRO_FILE *f, int c)
DESCRIPTION
Ungets a single byte from a file. Pushed-back bytes are not written to the file, only made available for subsequent reads, in reverse order.The number of pushbacks depends on the backend. The standard I/O backend only guarantees a single pushback; this depends on the libc implementation.
For backends that follow the standard behavior, the pushback buffer will be cleared after any seeking or writing; also calls to al_fseek(3) and al_ftell(3) are relative to the number of pushbacks. If a pushback causes the position to become negative, the behavior of al_fseek(3) and al_ftell(3) are undefined.
SEE ALSO
al_fgetc(3), al_get_errno(3)| Allegro reference manual |
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