NULL 49 ext/gd/gdcache.h #define NULL (void *)0 NULL 48 ext/gd/libgd/gdcache.h #define NULL (void *)0 NULL 36 ext/mbstring/libmbfl/mbfl/mbfl_defs.h #define NULL (0L) NULL 38 ext/mbstring/libmbfl/mbfl/mbfl_defs.h #define NULL (void *)(0L) NULL 53 ext/mbstring/libmbfl/mbfl/mbfl_string.h #define NULL 0 NULL 38 ext/mbstring/oniguruma/regenc.h #define NULL ((void* )0) NULL 59 ext/xmlrpc/libxmlrpc/simplestring.h #define NULL 0 NULL 79 main/alloca.c #define NULL 0