.Os
.Sh NAME
.Nm strcasecmp ,
-.Nm strncasecmp
+.Nm strcasecmp_l ,
+.Nm strncasecmp ,
+.Nm strncasecmp_l
.Nd compare strings, ignoring case
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In strings.h
.Ft int
-.Fn strcasecmp "const char *s1" "const char *s2"
+.Fo strcasecmp
+.Fa "const char *s1"
+.Fa "const char *s2"
+.Fc
.Ft int
-.Fn strncasecmp "const char *s1" "const char *s2" "size_t len"
+.Fo strncasecmp
+.Fa "const char *s1"
+.Fa "const char *s2"
+.Fa "size_t n"
+.Fc
+.In strings.h
+.In xlocale.h
+.Ft int
+.Fo strcasecmp_l
+.Fa "const char *s1"
+.Fa "const char *s2"
+.Fa "locale_t loc"
+.Fc
+.Ft int
+.Fo strncasecmp_l
+.Fa "const char *s1"
+.Fa "const char *s2"
+.Fa "size_t n"
+.Fa "locale_t loc"
+.Fc
.Sh DESCRIPTION
The
.Fn strcasecmp
The
.Fn strncasecmp
compares at most
-.Fa len
+.Fa n
characters.
+.Pp
+Although the
+.Fn strcasecmp
+and
+.Fn strncasecmp
+functions use the current locale, the
+.Fn strcasecmp_l
+and
+.Fn strncasecmp_l
+functions may be passed locales directly. See
+.Xr xlocale 3
+for more information.
.Sh RETURN VALUES
The
.Fn strcasecmp
.Xr strcoll 3 ,
.Xr strxfrm 3 ,
.Xr tolower 3 ,
-.Xr wcscasecmp 3
+.Xr xlocale 3
.Sh HISTORY
The
.Fn strcasecmp