1714         #define CALL_MORECORE(S)    MORECORE(S)  macro
1716         #define CALL_MORECORE(S)    MORECORE_DEFAULT(S)  macro
1719     #define CALL_MORECORE(S)        MFAIL  macro
4114       char* base = (char*)CALL_MORECORE(0);  in sys_alloc()
4124             (br = (char*)(CALL_MORECORE(ssize))) == base) {  in sys_alloc()
4135           (br = (char*)(CALL_MORECORE(ssize))) == ss->base+ss->size) {  in sys_alloc()
4147             char* end = (char*)CALL_MORECORE(esize);  in sys_alloc()
4151               (void) CALL_MORECORE(-ssize);  in sys_alloc()
4182       br = (char*)(CALL_MORECORE(asize));  in sys_alloc()
4183       end = (char*)(CALL_MORECORE(0));  in sys_alloc()
4352             char* old_br = (char*)(CALL_MORECORE(0));  in sys_trim()
4354               char* rel_br = (char*)(CALL_MORECORE(-extra));  in sys_trim()
4355               char* new_br = (char*)(CALL_MORECORE(0));  in sys_trim()