+static inline ssize_t m_strnlen(const char *s, ssize_t n) {
+ const char *p = memchr(s, '\0', n);
+ return p ? p - s : n;
+}
+
+/****************************************************************************/
+/* comparisons */
+/****************************************************************************/
+
+static inline int m_strcmp(const char *a, const char *b) {
+ return strcmp(NONULL(a), NONULL(b));
+}
+
+static inline int m_strcasecmp(const char *a, const char *b) {
+ return strcasecmp(NONULL(a), NONULL(b));
+}
+
+static inline int m_strncmp(const char *a, const char *b, ssize_t n) {
+ return strncmp (NONULL(a), NONULL(b), n);
+}
+
+static inline int m_strncasecmp(const char *a, const char *b, ssize_t n) {
+ return strncasecmp(NONULL(a), NONULL(b), n);
+}
+
+int ascii_strcasecmp(const char *a, const char *b);
+int ascii_strncasecmp(const char *a, const char *b, ssize_t n);
+
+/****************************************************************************/
+/* making copies */
+/****************************************************************************/
+
+static inline char *m_strdup(const char *s) {
+ ssize_t len = m_strlen(s);
+ return len ? p_dup(s, len + 1) : NULL;
+}
+
+static inline char *m_substrdup(const char *s, const char *end) {
+ return p_dupstr(s, end ? end - s : m_strlen(s));
+}
+
+static inline char *m_strreplace(char **p, const char *s) {
+ p_delete(p);
+ return (*p = m_strdup(s));
+}
+
+ssize_t m_strcpy(char *dst, ssize_t n, const char *src);
+ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l);
+
+static inline ssize_t m_strcat(char *dst, ssize_t n, const char *src) {
+ ssize_t dlen = m_strnlen(dst, n - 1);
+ return dlen + m_strcpy(dst + dlen, n - dlen, src);
+}
+
+static inline ssize_t
+m_strncat(char *dst, ssize_t n, const char *src, ssize_t l) {
+ ssize_t dlen = m_strnlen(dst, n - 1);
+ return dlen + m_strncpy(dst + dlen, n - dlen, src, l);
+}
+
+/****************************************************************************/
+/* parsing related */
+/****************************************************************************/
+
+static inline const char *m_strchrnul(const char *s, int c) {
+ while (*s && *s != c)
+ s++;
+ return s;
+}
+
+static inline const char *m_strnextsp(const char *s) {
+ while (*s && !isspace((unsigned char)*s))
+ s++;
+ return s;
+}
+
+static inline const char *skipspaces(const char *s) {
+ while (*s && isspace((unsigned char)*s))
+ s++;
+ return s;
+}
+static inline char *vskipspaces(const char *s) {
+ return (char *)skipspaces(s);
+}
+
+char *m_strrtrim(char *s);
+
+/****************************************************************************/
+/* search */
+/****************************************************************************/
+
+const char *
+m_stristrn(const char *haystack, const char *needle, ssize_t nlen);
+
+static inline const char *
+m_stristr(const char *haystack, const char *needle) {
+ return m_stristrn(haystack, needle, m_strlen(needle));