491     char *sdum, *LineBuf, CmdBuf[100];  local
506     sdum = getenv("SPLITSIZE");
507     if (sdum) {
508         i = atoi(sdum);
570     for (sdum = CharacterSet; *sdum; ++sdum) {
571         if (isupper(*sdum)) *sdum = tolower(*sdum);
584         sdum=GetLineMalloced("To", "");
585         ToList=AddCommasToAddressList(sdum);
586         free(sdum);
590         sdum = GetLineMalloced("Cc", "");
591         CCList = AddCommasToAddressList(sdum);
592         free(sdum);
1343     char LBuf[1000], *sdum;  local
1357         sdum = s+strlen(s)-1;
1358         if (*sdum == '\n') --sdum;
1359         while (sdum >= s) {
1360             LBuf[c++] = *sdum--;
1756         char *sdum, CTLineBuf[100];  in CreateNewPart()  local
1762         sdum = *CTLineBuf ? CTLineBuf+strlen(CTLineBuf) -1 : CTLineBuf;  in CreateNewPart()
1763         while (sdum >= CTLineBuf && isspace((unsigned char) *sdum)) {  in CreateNewPart()
1764             *sdum = '\0';  in CreateNewPart()
1765             --sdum;  in CreateNewPart()
1767         sdum=CTLineBuf;  in CreateNewPart()
1768         while (*sdum && isspace((unsigned char) *sdum)) ++sdum;  in CreateNewPart()
1769         if (! *sdum) {  in CreateNewPart()
1773 	if (*sdum == '|') {  in CreateNewPart()
1774 	    fpi = popen(sdum+1, "r");  in CreateNewPart()
1776 	    fpi = fopen(sdum, "r");  in CreateNewPart()
1779             printf("Cannot read %s, data insertion cancelled\n", sdum);  in CreateNewPart()
1788 	if (*sdum == '|') {  in CreateNewPart()
1798 …alue for the data from file %s\n    (type '?' for a list of locally-valid content-types): ", sdum);  in CreateNewPart()
2230     char *LineBuf = NULL, *sdum;  local
2239         for (sdum = LineBuf; *sdum; ++sdum) {
2240             if (*sdum == ' ') break; /* only map first word to lower case */
2241             if (isupper((unsigned char) *sdum)) *sdum = tolower((unsigned char) *sdum);