int sds_undef (const char *funname, short funcode);
Undefine a previously defined SDS function.
This function undefines an previously defined SDS function, which was previously defined by the sds_defun function. This function requires the same arguments as sds_defun.
The argument funname represents the command name for the function to be undefined.
The argument funcode is the function code by which sds_getfuncode would access this function.
This function returns RTNORM or an error code in system variable ERRNO.
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Programming Overview of SDS (Solutions Development System)