Function name clashes with standard getline() from stdio.h, resulting in
Error: conflicting types for 'getline'

--- rundiff.c
+++ rundiff.c
@@ -73,7 +73,7 @@
 static char *duplicate (char *s, int *flag);
 static DiffType parse_diff_line (char *buf, int *f1n1, int *f1n2, int *f2n1, int *f2n2);
 static int eatline (FILE *f);
-static void getline (FILE *f, char **cooked, char **raw);
+static void rundiff_getline (FILE *f, char **cooked, char **raw);
 static void reset_blist (void);
 static Block *get_blist (void);
 static void add_blist (Block *b);
@@ -281,7 +281,7 @@
 		b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 		b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
 		for (i = 0; i < b->arr[LEFT].fsize; i++) {
-		    getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+		    rundiff_getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 		    b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 		    if (di->maxcols < b->arr[LEFT].tlen[i]) {
 			di->maxcols = b->arr[LEFT].tlen[i];
@@ -310,7 +310,7 @@
 	    b->arr[RIGHT].wtext = (char **) xcalloc (b->arr[RIGHT].fsize, sizeof (char *));
 	    b->arr[RIGHT].tlen = (short *) xcalloc (b->arr[RIGHT].fsize, sizeof (short));
 	    for (i = 0; i < b->arr[RIGHT].fsize; i++) {
-		getline (file2, &b->arr[RIGHT].text[i], &b->arr[RIGHT].wtext[i]);
+		rundiff_getline (file2, &b->arr[RIGHT].text[i], &b->arr[RIGHT].wtext[i]);
 		b->arr[RIGHT].tlen[i] = strlen (b->arr[RIGHT].text[i]);
 		if (di->maxcols < b->arr[RIGHT].tlen[i]) {
 		    di->maxcols = b->arr[RIGHT].tlen[i];
@@ -341,7 +341,7 @@
 		b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 		b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
 		for (i = 0; i < b->arr[LEFT].fsize; i++) {
-		    getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+		    rundiff_getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 		    b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 		    if (di->maxcols < b->arr[LEFT].tlen[i]) {
 			di->maxcols = b->arr[LEFT].tlen[i];
@@ -368,7 +368,7 @@
 	    b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 	    b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
 	    for (i = 0; i < b->arr[LEFT].fsize; i++) {
-		getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+		rundiff_getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 		b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 		if (di->maxcols < b->arr[LEFT].tlen[i]) {
 		    di->maxcols = b->arr[LEFT].tlen[i];
@@ -381,7 +381,7 @@
 	    b->arr[RIGHT].wtext = (char **) xcalloc (b->arr[RIGHT].fsize, sizeof (char *));
 	    b->arr[RIGHT].tlen = (short *) xcalloc (b->arr[RIGHT].fsize, sizeof (short));
 	    for (i = 0; i < b->arr[RIGHT].fsize; i++) {
-		getline (file2, &b->arr[RIGHT].text[i], &b->arr[RIGHT].wtext[i]);
+		rundiff_getline (file2, &b->arr[RIGHT].text[i], &b->arr[RIGHT].wtext[i]);
 		b->arr[RIGHT].tlen[i] = strlen (b->arr[RIGHT].text[i]);
 		if (di->maxcols < b->arr[RIGHT].tlen[i]) {
 		    di->maxcols = b->arr[RIGHT].tlen[i];
@@ -409,7 +409,7 @@
 		b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 		b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
 		for (i = 0; i < b->arr[LEFT].fsize; i++) {
-		    getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+		    rundiff_getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 		    b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 		    if (di->maxcols < b->arr[LEFT].tlen[i]) {
 			di->maxcols = b->arr[LEFT].tlen[i];
@@ -438,7 +438,7 @@
 	    b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 	    b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
 	    for (i = 0; i < b->arr[LEFT].fsize; i++) {
-		getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+		rundiff_getline (file1, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 		b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 		if (di->maxcols < b->arr[LEFT].tlen[i]) {
 		    di->maxcols = b->arr[LEFT].tlen[i];
@@ -501,7 +501,7 @@
 	b->arr[LEFT].wtext = (char **) xcalloc (b->arr[LEFT].fsize, sizeof (char *));
 	b->arr[LEFT].tlen = (short *) xcalloc (b->arr[LEFT].fsize, sizeof (short));
  	for (i = 0; i < b->arr[LEFT].fsize; i++) {
-	    getline (file2, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
+	    rundiff_getline (file2, &b->arr[LEFT].text[i], &b->arr[LEFT].wtext[i]);
 	    b->arr[LEFT].tlen[i] = strlen (b->arr[LEFT].text[i]);
 	    if (di->maxcols < b->arr[LEFT].tlen[i]) {
 		di->maxcols = b->arr[LEFT].tlen[i];
@@ -675,7 +675,7 @@
  * printable) if necessary.  Silently truncate input lines at BUFSIZ
  * characters.
  */
-static void getline (FILE *f, char **cooked, char **raw)
+static void rundiff_getline (FILE *f, char **cooked, char **raw)
 {
     char buffer[BUFSIZ+1];
     char *s;