int strncmp ( const string &  str1, const string &  str2, unsigned int  num  )

inline

Compare characters of two strings.

Compares up to num characters of the string str1 to those of the string str2.

Parameters

str1	A string to be compared.
str2	A string to be compared.
num	The maximum number of characters to be compared.

Returns

Returns an integral value indicating the relationship between the strings. A zero value indicates that the characters compared in both strings are all equal. A value greater than zero indicates that the first character that does not match has a greater value in str1 than in str2. A value less than zero indicates the opposite.

Examples:

ex_strncmp.nxc.