osx man page for load_lbm

load_lbm(3alleg4)						  Allegro manual						 load_lbm(3alleg4)

NAME

       load_lbm - Loads an LBM bitmap from a file. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       BITMAP *load_lbm(const char *filename, RGB *pal);

DESCRIPTION

       Loads a 256-color IFF ILBM/PBM file.

RETURN VALUE

       Returns a pointer to the bitmap or NULL on error. Remember that you are responsible for destroying the bitmap when you are finished with it
       to avoid memory leaks.

SEE ALSO

       load_bitmap(3alleg4)

Allegro 							   version 4.4.2						 load_lbm(3alleg4)