sunos man page for strlen

strlen(9F)						   Kernel Functions for Drivers 						strlen(9F)

NAME
       strlen - determine the number of non-null bytes in a string

SYNOPSIS
       #include <sys/ddi.h>

       size_t strlen(const char *s);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

PARAMETERS
       s	Pointer to a character string.

DESCRIPTION
       strlen() returns the number of non-null bytes in the string argument s.

RETURN VALUES
       strlen() returns the number of non-null bytes in s.

CONTEXT
       strlen() can be called from user or interrupt context.

SEE ALSO
       Writing Device Drivers

SunOS 5.10							    11 Apr 1991 							strlen(9F)