1pack_ungetc(3)                  Allegro manual                  pack_ungetc(3)
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NAME

6       pack_ungetc  -  Moves  one  single  character back to the input buffer.
7       Allegro game programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       int pack_ungetc(int c, PACKFILE *f);
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DESCRIPTION

16       Puts a character back to the file's input buffer. Like with ungetc from
17       libc, only a single push back is guaranteed.
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19       Note:  pack_fgets internally uses pack_ungetc, so never use pack_ungetc
20       directly after using pack_fgets on a PACKFILE.
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RETURN VALUE

23       Returns c on success, or EOF on error.
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SEE ALSO

27       pack_getc(3), pack_fgets(3)
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31Allegro                          version 4.4.3                  pack_ungetc(3)