createwbmp 100 ext/gd/libgd/gd_wbmp.c if ((wbmp = createwbmp (gdImageSX (image), gdImageSY (image), WBMP_WHITE)) == NULL) { createwbmp 46 ext/gd/libgd/wbmp.h Wbmp *createwbmp( int width, int height, int color );