Move everything into a new repo.

1 files changed, 18 insertions, 0 deletions

diff --git a/userland/libc/string/strspn.c b/userland/libc/string/strspn.c
new file mode 100644
index 0000000..2a7d3ae
--- /dev/null
+++ b/userland/libc/string/strspn.c
@@ -0,0 +1,18 @@
+#include <string.h>
+
+size_t strspn(const char *s1, const char *s2) {
+  size_t r = 0;
+  for (; *s1; s1++) {
+    int e = 0;
+    for (const char *t = s2; *t; t++) {
+      if (*s1 == *t) {
+        e = 1;
+        break;
+      }
+    }
+    if (!e)
+      break;
+    r++;
+  }
+  return r;
+}