101 position(const char *string, char ch)  in position()  argument
103 	if (string != NULL)  in position()
104 		for (int i = 1; *string != '\0'; string++, i++)  in position()
105 			if (*string == ch)  in position()
114 substitute(char *string, char chold, char chnew)  in substitute()  argument
116 	char *cp = string;  in substitute()
126 	return string;  in substitute()
130 lastchar(const char *string)  in lastchar()  argument
134 	if (string == NULL)  in lastchar()
136 	length = strlen(string);  in lastchar()
138 		return string[length-1];  in lastchar()
144 firstchar(const char *string)  in firstchar()  argument
146 	if (string != NULL)  in firstchar()
147 		return string[0];  in firstchar()
153 next_lastchar(const char *string)  in next_lastchar()  argument
157 	if (string == NULL)  in next_lastchar()
159 	length = strlen(string);  in next_lastchar()
161 		return string[length - 2];  in next_lastchar()
167 clob_last(char *string, char newstuff)  in clob_last()  argument
169 	if (string != NULL && string[0] != '\0')  in clob_last()
170 		string[strlen(string) - 1] = newstuff;  in clob_last()
178 persperdexplode(char *string, char **r_perd, char **r_pers)  in persperdexplode()  argument
181 	size_t length = string != NULL ? strlen(string) : 0;  in persperdexplode()
183 	if (length >= 4 && string[length - 1] == ')') {  in persperdexplode()
184 		for (cp = &string[length - 2];  in persperdexplode()
189 			string[length - 1] = '\0';	/* clobber the ) */  in persperdexplode()
191 			string[length - 1] = ')';  in persperdexplode()
193 			*r_pers = strdup(string);  in persperdexplode()
207 qpersperdexplode(char *string, char **r_perd, char **r_pers)
212 	if (string)
213 		length = strlen(string);
214 	if (length >= 4 && string[length - 1] == ')') {
215 		for (cp = &string[length - 2];
220 			string[length - 1] = '\0';
222 			string[length - 1] = ')';
224 			*r_pers = strdup(string + 1);
309 wordvbuild(char *string, int *r_wordc, char ***r_wordv)  in wordvbuild()  argument
316 	for (wordcount = 0, cp = string; *cp != '\0'; wordcount++) {  in wordvbuild()
325 	for (cp=string, wordindex=0; wordcount > 0; wordindex++, --wordcount) {  in wordvbuild()