C and Language Environment runtime options comparison

Table 1. C and Language Environment runtime options
C option	Language Environment® equivalent	Notes®
ISAINC	STACK	If you do not change the C/370™ runtime option ISAINC, you will receive a warning message during execution.
ISASIZE	STACK	If you do not change the C/370 runtime option ISASIZE, you will receive a warning message during execution.
LANGUAGE	NATLANG	Mixed-case and uppercase US English and Japanese are supported. If you do not change the C/370 runtime option LANGUAGE, you will receive a warning message during execution.
REPORT \| NOREPORT	RPTSTG(ON \| OFF), RPTOPT(ON \| OFF)	RPTSTG(ON \| OFF) and RPTOPT(ON \| OFF) provide behavior compatible with REPORT \| NOREPORT, and affect all languages in an enclave. If you do not change the C/370 runtime option REPORT \| NOREPORT, you will receive a warning message during execution.
SPIE \| NOSPIE STAE \| NOSTAE	TRAP(ON,SPIE) TRAP(OFF)	If either SPIE or STAE is specified or defaulted in input, TRAP is set to TRAP(ON,SPIE). If both NOSPIE and NOSTAE are specified, TRAP is set to TRAP(OFF). TRAP(ON,SPIE) is the recommended setting.