al_fread
size_t al_fread(ALLEGRO_FILE *f, void *ptr, size_t size)
Read 'size' bytes into the buffer pointed to by 'ptr', from the given file.
Returns the number of bytes actually read. If an error occurs, or the end-of-file is reached, the return value is a short byte count (or zero).
al_fread() does not distinguish between EOF and other errors. Use al_feof and al_ferror to determine which occurred.
See also: al_fgetc, al_fread16be, al_fread16le, al_fread32be, al_fread32le
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