GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
grd.c: implicitly declared to return int (38) strcpy (38) strcat (42) grprog (42) exit function falls off bottom without returning value (48) main grp.c: (102) warning: constant in conditional context (244) warning: constant in conditional context (248) warning: variable may be used before set: i implicitly declared to return int (34) readbaselo (34) readpsv (70) orbitsv (84) addsv (84) image (85) addrel (109) scanrel (206) coinc assignment causes implicit narrowing conversion (36) (64) (67) (75) (136) (147) permfns.c: function falls off bottom without returning value (155) seeknln name defined but never used readperm permfns.c(60) printbaselo permfns.c(110) printpsv permfns.c(126) seeknln permfns.c(155) value type declared inconsistently npt grp.c(11) int :: permfns.c(2) short function returns value which is always ignored scanrel coinc addsv invert printvec readvec readbaselo readpsv fclose fprintf fscanf printf scanf __flsbuf __semputc strcpy strcat declared global, could be static one grp.c(11) addrel grp.c(171) scanrel grp.c(198) coinc grp.c(233) invert permfns.c(49) printvec permfns.c(76) readvec permfns.c(93) nr grp.c(10) endr grp.c(10) maxcos grp.c(10) fpt grp.c(10) bpt grp.c(10) def grp.c(10) scanno grp.c(10) nscan grp.c(10) nelim grp.c(10) bno grp.c(10) lo grp.c(10) ccos grp.c(11) lastd grp.c(11) cind grp.c(11) nfree grp.c(11) stcr grp.c(11) endcr grp.c(11) fcos grp.c(11) bcos grp.c(11) lcl grp.c(11) np2 grp.c(11) rel grp.c(11) rsp grp.c(12) fullsc grp.c(13) clsd grp.c(13) lkah grp.c(13)