strlen ... Returns the length of the C string str. The length of a C string is determined by the terminating null-character: A C string is as long as the number ...
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The C library function size_t strlen(const char *str) computes the length of the string str up to, but not including the terminating null character.
The strlen() function takes a string as an argument and returns its length. The returned value is of type size_t (an unsigned integer type).
As the manual says: "strlen() returns the number of bytes rather than the number of characters in a string.", so if you want to get the number of characters in ...