222 diffexec(const char *diffprog, char **diffargv, int fd[])  in diffexec()  argument
232 		execvp(diffprog, diffargv);  in diffexec()
613 	char *diffargv[6];  in main()  local
623 	diffargv[diffargc++] = __DECONST(char *, diffprog);  in main()
630 			diffargv[diffargc++] = __DECONST(char *, "-a");  in main()
740 	diffargv[diffargc] = file1;  in main()
741 	diffargv[diffargc + 1] = file3;  in main()
742 	diffargv[diffargc + 2] = NULL;  in main()
745 	pd13 = diffexec(diffprog, diffargv, fd13);  in main()
751 	diffargv[diffargc] = file2;  in main()
752 	pd23 = diffexec(diffprog, diffargv, fd23);  in main()