HelenOS sources

vasprintf         115 uspace/lib/c/generic/io/asprintf.c 	int ret = vasprintf(strp, fmt, args);
vasprintf         490 uspace/lib/c/generic/io/table.c 	ret = vasprintf(&str, fmt, args);
vasprintf         142 uspace/lib/c/include/stdio.h extern int vasprintf(char **, const char *, va_list);
vasprintf         142 uspace/lib/posix/include/libc/stdio.h extern int vasprintf(char **, const char *, va_list);