HelenOS sources

isblank            40 common/include/ctype.h int isblank(int);
isblank            40 kernel/generic/common/include/ctype.h int isblank(int);
isblank            40 uspace/lib/c/common/include/ctype.h int isblank(int);
isblank            40 uspace/lib/posix/include/common/ctype.h int isblank(int);
isblank           186 uspace/lib/posix/src/fnmatch.c 	{ "blank", isblank },