Implement one qsort() comparator function for strings and use it.

src/common/cmdparser.c

@@ -786,12 +786,6 @@ Cmd_Exists(char *cmd_name)
 	return false;
 }
 
-int
-qsort_strcomp(const void *s1, const void *s2)
-{
-	return strcmp(*(char **)s1, *(char **)s2);
-}
-
 char *
 Cmd_CompleteCommand(char *partial)
 {
@@ -877,7 +871,7 @@ Cmd_CompleteCommand(char *partial)
 		}
 
 		/* Sort it */
-		qsort(pmatch, i, sizeof(pmatch[0]), qsort_strcomp);
+		qsort(pmatch, i, sizeof(pmatch[0]), Q_sort_strcomp);
 
 		Com_Printf("\n\n");
 

src/common/filesystem.c

@@ -1802,8 +1802,6 @@ FS_InitFilesystem(void)
 	Com_Printf("Using '%s' for writing.\n", fs_gamedir);
 }
 
-extern int qsort_strcomp(const void *s1, const void *s2);
-
 /*
  * Combs all Raw search paths to find game dirs containing PAK/PK2/PK3 files.
  * Returns an alphabetized array of unique relative dir names.
@@ -1894,7 +1892,7 @@ FS_ListMods(int *nummods)
 
 	modnames[nmods] = 0;
 
-	qsort(modnames, nmods, sizeof(modnames[0]), qsort_strcomp);
+	qsort(modnames, nmods, sizeof(modnames[0]), Q_sort_strcomp);
 
 	*nummods = nmods;
 	return modnames;

src/common/header/shared.h

@@ -290,6 +290,9 @@ int Q_strlcat(char *dst, const char *src, int size);
 /* Unicode wrappers that also make sure it's a regular file around fopen(). */
 FILE *Q_fopen(const char *file, const char *mode);
 
+/* Comparator function for qsort(), compares strings. */
+int Q_sort_strcomp(const void *s1, const void *s2);
+
 /* ============================================= */
 
 short BigShort(short l);

src/common/shared/shared.c

@@ -1195,6 +1195,12 @@ FILE *Q_fopen(const char *file, const char *mode)
 }
 #endif
 
+int
+Q_sort_strcomp(const void *s1, const void *s2)
+{
+	return strcmp(*(char **)s1, *(char **)s2);
+}
+
 /*
  * =====================================================================
  *