152 char *_pn_append_to_path(PathName *path, const char *string, int slen,  in _pn_append_to_path()  argument
160   if(!path || !string) {  in _pn_append_to_path()
171   if(slen < 0 || slen > strlen(string))  in _pn_append_to_path()
172     slen = strlen(string);  in _pn_append_to_path()
185       is_escape = !is_escape && string[i] == '\\';  in _pn_append_to_path()
187 	path->name[pathlen++] = string[i];  in _pn_append_to_path()
197     memcpy(path->name + pathlen, string, slen);  in _pn_append_to_path()
222 char *_pn_prepend_to_path(PathName *path, const char *string, int slen,  in _pn_prepend_to_path()  argument
231   if(!path || !string) {  in _pn_prepend_to_path()
242   if(slen < 0 || slen > strlen(string))  in _pn_prepend_to_path()
243     slen = strlen(string);  in _pn_prepend_to_path()
253       is_escape = !is_escape && string[i] == '\\';  in _pn_prepend_to_path()
276       is_escape = !is_escape && string[i] == '\\';  in _pn_prepend_to_path()
278 	path->name[j++] = string[i];  in _pn_prepend_to_path()
281     memcpy(path->name, string, slen);  in _pn_prepend_to_path()
446 char *_pu_start_of_path(const char *string, int back_from)  in _pu_start_of_path()  argument
452   if(!string || back_from < 0) {  in _pu_start_of_path()
460     int c = string[i];  in _pu_start_of_path()
473       for(j=i-1; j>=0 && string[j]=='\\'; j--)  in _pu_start_of_path()
483   return (char *)string + i + 1;  in _pu_start_of_path()
499 char *_pu_end_of_path(const char *string, int start_from)  in _pu_end_of_path()  argument
507   if(!string || start_from < 0) {  in _pu_end_of_path()
514   for(i=start_from; (c=string[i]) != '\0'; i++) {  in _pu_end_of_path()
523   return (char *)string + i;  in _pu_end_of_path()