_CP_substr

_CP_substr is equivalent to the result = string[beg.pos.expression, len.expression] BASIC statement.

Syntax

int _CP_substr(CPSTR** result, CPSTR* string, int beg.pos.expression, int len.expression)

Description

This function returns -1 if an error occurs. The error code is contained in _CP_errno.

Example(s)

/* Prints "h". */

CPSTR * s = _CP_mkstr("hi");

_CP_substr(&s,s,1,1);

_CP_print(s);