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.TH "al_identify_bitmap_f" "3" "" "Allegro reference manual"
.SH NAME
al_identify_bitmap_f \- Allegro 5 API
.SH SYNOPSIS
.IP
.EX
#include \f[B]<allegro5/allegro.h>\f[R]

char const *al_identify_bitmap_f(ALLEGRO_FILE *fp)
.EE
.SH DESCRIPTION
Tries to guess the bitmap file type of the open ALLEGRO_FILE by reading
the first few bytes.
By default Allegro cannot recognize any file types, but calling
al_init_image_addon(3) will add detection of (some of) the types it can
read.
You can also use al_register_bitmap_identifier(3) to add identification
for custom file types.
.PP
Returns a pointer to a static string with a file extension for the type,
including the leading dot.
For example \[lq].png\[rq] or \[lq].jpg\[rq].
Returns NULL if the bitmap type cannot be determined.
.SH SINCE
5.1.12
.SH SEE ALSO
al_init_image_addon(3), al_identify_bitmap(3),
al_register_bitmap_identifier(3)