strlen - get string length
#include <string.h> size_t strlen(const char *s);
The strlen() function computes the number of bytes in the string to which s points, not including the terminating null byte.
The strlen() function returns the length of s; no return value is reserved to indicate an error.
No errors are defined.
None.
None.
None.
<string.h>.
Derived from Issue 1 of the SVID.