gdImageCreateFromPngCtx  114 ext/gd/gd.c    #define gdImageCreateFromPngCtx     NULL
gdImageCreateFromPngCtx  112 ext/gd/libgd/gd_png.c gdImagePtr gdImageCreateFromPngCtx (gdIOCtx * infile)
gdImageCreateFromPngCtx  243 main/php_compat.h #define gdImageCreateFromPngCtx php_gd_gdImageCreateFromPngCtx