cfunc.extract C Function/C Functions

cfunc.extract

Command cfunc.extract C Function/C Functions
Applicable release versions: AP 6.1
Category C Functions (120)
Description equivalent to the Pick/BASIC statement: result = extract(string, ac.expression, vc.expression, sc.expression)

This function returns -1 if an error occurs. The error code is contained in _CP_errno.
Syntax int _CP_extract(CPSTR** result, CPSTR* string, int ac.expression, int vc.expression, int sc.expression)
Options
Example
/* The following example prints "a". */

CPSTR * s = _CP_mkstr("a376b");

_CP_extract(&s,s,1,0,0);
_CP_print(s);
Purpose
Related cfunc.introduction