--- a/regexParser/sequentialSearch.cc	Fri Jan 15 17:53:11 2016 +0900
+++ b/regexParser/sequentialSearch.cc	Fri Jan 15 19:11:35 2016 +0900
@@ -7,10 +7,10 @@
 #include <sys/types.h>
 
 typedef struct bufferList {
-    unsigned char buff;
-    unsigned char buffptr;
-    unsigned char buffend;
-    unsigned char matchBegin;
+    unsigned char *buff;
+    unsigned char *buffptr;
+    unsigned char *buffend;
+    unsigned char *matchBegin;
 } BufferList, *BufferListPtr;
 
 typedef struct {
@@ -18,6 +18,19 @@
     off_t size;
 } st_mmap_t;
 
+void state1(BufferList buff);
+
+void stateSkip(BufferList buff) {
+    buff.matchBegin = buff.buffptr;
+    state1(buff);
+}
+
+void stateMatch(BufferList buff) {
+    fwrite(buff.matchBegin,buff.buffptr-buff.matchBegin,1,stdout);
+    puts("\n");
+    stateSkip(buff);
+}
+
 #include "state.cc"
 int main(int argc, char **argv) {
     char *filename;
@@ -32,14 +45,20 @@
     struct stat sb;
     int fd;
     if ((fd=open(filename,O_RDONLY,0666))==0) {
+        perror("");
         fprintf(stderr,"can't open %s\n",filename);
     }
 
     if (fstat(fd,&sb)) {
+        perror("");
         fprintf(stderr,"can't fstat %s\n",filename);
     }
     st_mmap.size = sb.st_size;
-    unsigned char *file_mmap = mmap(NULL,st_mmap.size,PROT_WRITE|PROT_READ,map,fd,(off_t)0);
+    unsigned char *file_mmap = (unsigned char*)mmap(NULL,st_mmap.size,PROT_WRITE|PROT_READ,map,fd,(off_t)0);
+    if (file_mmap == NULL) {
+        perror("");
+        fprintf(stderr,"cannot mmap %s\n",filename);
+    }
 
     BufferList buff;
     buff.buff = buff.buffptr = buff.matchBegin = file_mmap;