diff --git a/Modules/imgfile.c b/Modules/imgfile.c
index 5bab540..0b9dd54 100644
--- a/Modules/imgfile.c
+++ b/Modules/imgfile.c
@@ -46,8 +46,7 @@
 /* The error handler */
 
 static void
-imgfile_error(str)
-	char *str;
+imgfile_error(char *str)
 {
 	PyErr_SetString(ImgfileError, str);
 	error_called = 1;
@@ -59,8 +58,7 @@
    Make sure we raise an exception if we fail. */
 
 static IMAGE *
-imgfile_open(fname)
-	char *fname;
+imgfile_open(char *fname)
 {
 	IMAGE *image;
 	i_seterror(imgfile_error);
@@ -81,9 +79,7 @@
 }
 
 static PyObject *
-imgfile_ttob(self, args)
-	PyObject *self;
-PyObject *args;
+imgfile_ttob(PyObject *self, PyObject *args)
 {
 	int newval;
 	PyObject *rv;
@@ -96,9 +92,7 @@
 }
 
 static PyObject *
-imgfile_read(self, args)
-	PyObject *self;
-PyObject *args;
+imgfile_read(PyObject *self, PyObject *args)
 {
 	char *fname;
 	PyObject *rv;
@@ -190,9 +184,7 @@
 static int glob_width, glob_z, glob_ysize;
 
 static void
-xs_get(buf, y)
-	short *buf;
-int y;
+xs_get(short *buf, int y)
 {
 	if (top_to_bottom)
 		getrow(glob_image, buf, (glob_ysize-1-y), glob_z);
@@ -201,9 +193,7 @@
 }
 
 static void
-xs_put_c(buf, y)
-	short *buf;
-int y;
+xs_put_c(short *buf, int y)
 {
 	char *datap = (char *)glob_datap + y*glob_width;
 	int width = glob_width;
@@ -213,9 +203,7 @@
 }
 
 static void
-xs_put_0(buf, y)
-	short *buf;
-int y;
+xs_put_0(short *buf, int y)
 {
 	long *datap = glob_datap + y*glob_width;
 	int width = glob_width;
@@ -224,9 +212,7 @@
 		*datap++ = (*buf++) & 0xff;
 }
 static void
-xs_put_12(buf, y)
-	short *buf;
-int y;
+xs_put_12(short *buf, int y)
 {
 	long *datap = glob_datap + y*glob_width;
 	int width = glob_width;
@@ -236,13 +222,8 @@
 }
 
 static void
-xscale(image, xsize, ysize, zsize, datap, xnew, ynew, fmode, blur)
-	IMAGE *image;
-int xsize, ysize, zsize;
-long *datap;
-int xnew, ynew;
-int fmode;
-double blur;
+xscale(IMAGE *image, int xsize, int ysize, int zsize,
+       long *datap, int xnew, int ynew, int fmode, double blur)
 {
 	glob_image = image;
 	glob_datap = datap;
@@ -267,9 +248,7 @@
 
 
 static PyObject *
-imgfile_readscaled(self, args)
-	PyObject *self;
-PyObject *args;
+imgfile_readscaled(PyObject *self, PyObject *args)
 {
 	char *fname;
 	PyObject *rv;
@@ -415,9 +394,7 @@
 }
 
 static PyObject *
-imgfile_getsizes(self, args)
-	PyObject *self;
-PyObject *args;
+imgfile_getsizes(PyObject *self, PyObject *args)
 {
 	char *fname;
 	PyObject *rv;
@@ -434,9 +411,7 @@
 }
 
 static PyObject *
-imgfile_write(self, args)
-	PyObject *self;
-PyObject *args;
+imgfile_write(PyObject *self, PyObject *args)
 {
 	IMAGE *image;
 	char *fname;