diff --git a/src/c/stddef.rs b/src/c/stddef.rs
index 17e033c..9470882 100644
--- a/src/c/stddef.rs
+++ b/src/c/stddef.rs
@@ -1,3 +1,7 @@
 /// This defines the size_t type.
 #[allow(non_camel_case_types)]
 pub type size_t = usize;
+
+/// This defines the wchar_t type.
+#[allow(non_camel_case_types)]
+pub type wchar_t = i32;
diff --git a/src/c/string.rs b/src/c/string.rs
index c4b12ce..cd4540e 100644
--- a/src/c/string.rs
+++ b/src/c/string.rs
@@ -1,3 +1,8 @@
+use binding::{CChar, CInt};
+
+use crate::stddef::{size_t, wchar_t};
+
+
 #[cfg(not(feature="no_mem_manip"))]
 #[link(name="c")]
 extern
@@ -49,3 +54,36 @@ extern
    /// to the specified value c (interpreted as an unsigned char).
    pub fn memset(s: *mut u8, c: i32, n: usize);
 }
+
+#[link(name="c")]
+extern
+{
+   pub fn strcpy(dst: *mut CChar, src: *const CChar) -> *mut CChar;
+   pub fn strncpy(dst: *mut CChar, src: *const CChar,
+                  n: size_t) -> *mut CChar;
+   pub fn strcat(s: *mut CChar, ct: *const CChar) -> *mut CChar;
+   pub fn strncat(s: *mut CChar, ct: *const CChar,
+                  n: size_t) -> *mut CChar;
+   pub fn strcmp(cs: *const CChar, ct: *const CChar) -> CInt;
+   pub fn strncmp(cs: *const CChar, ct: *const CChar, n: size_t) -> CInt;
+   pub fn strcoll(cs: *const CChar, ct: *const CChar) -> CInt;
+   pub fn strchr(cs: *const CChar, c: CInt) -> *mut CChar;
+   pub fn strrchr(cs: *const CChar, c: CInt) -> *mut CChar;
+   pub fn strspn(cs: *const CChar, ct: *const CChar) -> size_t;
+   pub fn strcspn(cs: *const CChar, ct: *const CChar) -> size_t;
+   pub fn strdup(cs: *const CChar) -> *mut CChar;
+   pub fn strpbrk(cs: *const CChar, ct: *const CChar) -> *mut CChar;
+   pub fn strstr(cs: *const CChar, ct: *const CChar) -> *mut CChar;
+   pub fn strcasecmp(s1: *const CChar, s2: *const CChar) -> CInt;
+   pub fn strncasecmp(s1: *const CChar, s2: *const CChar,
+                      n: size_t) -> CInt;
+   pub fn strlen(cs: *const CChar) -> size_t;
+   pub fn strnlen(cs: *const CChar, maxlen: size_t) -> size_t;
+   #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+              link_name = "strerror$UNIX2003")]
+   pub fn strerror(n: CInt) -> *mut CChar;
+   pub fn strtok(s: *mut CChar, t: *const CChar) -> *mut CChar;
+   pub fn strxfrm(s: *mut CChar, ct: *const CChar, n: size_t) -> size_t;
+   pub fn wcslen(buf: *const wchar_t) -> size_t;
+   pub fn wcstombs(dest: *mut CChar, src: *const wchar_t, n: size_t) -> size_t;
+}