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3.195 strlen

Function

Return the length of a string.

Header

string.h

Declaration

size_t __fastcall__ strlen (const char* s);

Description

The strlen function computes the number of bytes in the string to which s points, not including the terminating null byte.

Limits

  • The function is only available as fastcall function, so it may only be used in presence of a prototype.
  • When compiling with -Os (inline known standard functions), the function does not work correctly for strings with more than 255 characters.

Availability

ISO 9899

See also

strcpy

Example

None.


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