30     char   *cp;  in StrDup()  local
32     if (NULL == (cp = strdup(str ? str : "")))  in StrDup()
37     return cp;  in StrDup()
52     char   *cp;  in StrNDup()  local
54     cp = Calloc(len + 1);  in StrNDup()
56         (void)strncpy(cp, str, len);  in StrNDup()
57     return cp;  in StrNDup()
77     char   *cp;  in StrCatDup()  local
82     cp = Calloc(len1 + len2 + 1);  in StrCatDup()
85         (void)strcpy(cp, str1);  in StrCatDup()
87         (void)strcat(cp, str2);  in StrCatDup()
89     return cp;  in StrCatDup()
103     void   *cp;  in Calloc()  local
105     if (NULL == (cp = calloc(1, size)))  in Calloc()
110     return cp;  in Calloc()
145     void   *cp;  in Realloc()  local
147     cp = Calloc(size);  in Realloc()
150         strcpy(cp, buffer);  in Realloc()
153     return cp;  in Realloc()