Name
strlen -- determine string length in characters (V7.0)
Synopsis
size_t len = strlen(const char *s);
Function
Returns the string length (in characters) of the string specified in
s
. If the string isn't a valid UTF-8 string, -1 is returned.
Designer compatibility
Unsupported
Inputs
s
input string
Results
len
character length of string or -1 on error
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