Import sources from 2011-03-30 iso image

1 files changed, 17 insertions, 0 deletions

diff --git a/sys/src/ape/lib/ap/gen/strspn.c b/sys/src/ape/lib/ap/gen/strspn.c
new file mode 100755
index 000000000..57ebfd1b5
--- /dev/null
+++ b/sys/src/ape/lib/ap/gen/strspn.c
@@ -0,0 +1,17 @@
+#include <string.h>
+
+#define	N	256
+
+size_t
+strspn(const char *s, const char *b)
+{
+	char map[N], *os;
+
+	memset(map, 0, N);
+	while(*b)
+		map[*(unsigned char *)b++] = 1;
+	os = s;
+	while(map[*(unsigned char *)s++])
+		;
+	return s - os - 1;
+}