1 files changed, 7 insertions, 7 deletions

diff --git a/sys/i386/i386/db_disasm.c b/sys/i386/i386/db_disasm.c
index 4f771dc..2b398da 100644
--- a/sys/i386/i386/db_disasm.c
+++ b/sys/i386/i386/db_disasm.c
@@ -953,17 +953,17 @@ db_read_address(loc, short_addr, regmodrm, addrp)
 	    return (loc);
 	}
 	addrp->is_reg = FALSE;
-	addrp->index = 0;
+	addrp->index = NULL;
 
 	if (short_addr) {
-	    addrp->index = 0;
+	    addrp->index = NULL;
 	    addrp->ss = 0;
 	    switch (mod) {
 		case 0:
 		    if (rm == 6) {
 			get_value_inc(disp, loc, 2, FALSE);
 			addrp->disp = disp;
-			addrp->base = 0;
+			addrp->base = NULL;
 		    }
 		    else {
 			addrp->disp = 0;
@@ -997,7 +997,7 @@ db_read_address(loc, short_addr, regmodrm, addrp)
 		case 0:
 		    if (rm == 5) {
 			get_value_inc(addrp->disp, loc, 4, FALSE);
-			addrp->base = 0;
+			addrp->base = NULL;
 		    }
 		    else {
 			addrp->disp = 0;
@@ -1037,7 +1037,7 @@ db_print_address(seg, size, addrp)
 	}
 
 	db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY);
-	if (addrp->base != 0 || addrp->index != 0) {
+	if (addrp->base != NULL || addrp->index != NULL) {
 	    db_printf("(");
 	    if (addrp->base)
 		db_printf("%s", addrp->base);
@@ -1171,7 +1171,7 @@ db_disasm(db_addr_t loc, bool altfmt)
 	get_value_inc(inst, loc, 1, FALSE);
 	short_addr = FALSE;
 	size = LONG;
-	seg = 0;
+	seg = NULL;
 
 	/*
 	 * Get prefixes
@@ -1239,7 +1239,7 @@ db_disasm(db_addr_t loc, bool altfmt)
 	if (inst == 0x0f) {
 	    get_value_inc(inst, loc, 1, FALSE);
 	    ip = db_inst_0f[inst>>4];
-	    if (ip == 0) {
+	    if (ip == NULL) {
 		ip = &db_bad_inst;
 	    }
 	    else {