diff --git a/pkg/obiapat/obiapat.c b/pkg/obiapat/obiapat.c
old mode 100644
new mode 100755
index 094b65c..c11e960
--- a/pkg/obiapat/obiapat.c
+++ b/pkg/obiapat/obiapat.c
@@ -149,9 +149,9 @@ char *LowerSequence(char *seq)
         char *cseq;
 
         for (cseq = seq ; *cseq ; cseq++) 
-            if (IS_UPPER(*cseq))
+            if (IS_UPPER(*cseq)) {
                 *cseq = TO_LOWER(*cseq);
-
+			}
 		return seq;
 }
  
@@ -299,14 +299,14 @@ int32_t delete_apatseq(SeqPtr pseq,
         return 1;
 }
 
-PatternPtr buildPattern(const char *pat, int32_t error_max, uint8_t hasIndel, 
+Pattern *buildPattern(const char *pat, int32_t error_max, uint8_t hasIndel, 
 						int *errno, char **errmsg)
 {
-	PatternPtr pattern;
+	Pattern *pattern;
 	int32_t    patlen;
 	int32_t    patlen2;
 
-	patlen  = strlen(pat);
+	patlen  = (int32_t)strlen(pat);
 	patlen2 = lenPattern(pat);
 
 	pattern = ECOMALLOC(sizeof(Pattern) +                   // Space for struct Pattern
@@ -341,10 +341,10 @@ PatternPtr buildPattern(const char *pat, int32_t error_max, uint8_t hasIndel,
 		
 }
 
-PatternPtr complementPattern(PatternPtr pat, int *errno, 
+Pattern *complementPattern(Pattern *pat, int *errno, 
 								char **errmsg)
 {
-	PatternPtr pattern;
+	Pattern *pattern;
 	
 	pattern = ECOMALLOC(sizeof(Pattern) + 
 							sizeof(char)      * strlen(pat->cpat) + 1 +
diff --git a/pkg/obiapat/obiapat.h b/pkg/obiapat/obiapat.h
old mode 100644
new mode 100755
index a10acab..fed4148
--- a/pkg/obiapat/obiapat.h
+++ b/pkg/obiapat/obiapat.h
@@ -116,13 +116,13 @@ ecoseq_t *new_ecoseq_with_data( char *AC,
 
 
 
-int32_t  delete_apatseq(SeqPtr pseq, 
+int32_t  delete_apatseq(Seq *pseq, 
 				   int *errno, char **errmsg);
-PatternPtr buildPattern(const char *pat, int32_t error_max, uint8_t hasIndel, int *errno, char **errmsg);
-PatternPtr complementPattern(PatternPtr pat, int *errno, char **errmsg);
+Pattern *buildPattern(const char *pat, int32_t error_max, uint8_t hasIndel, int *errno, char **errmsg);
+Pattern *complementPattern(Pattern *pat, int *errno, char **errmsg);
 
-SeqPtr new_apatseq(const char *in,int32_t circular, int32_t seqlen,
-                    SeqPtr out, 
+Seq *new_apatseq(const char *in,int32_t circular, int32_t seqlen,
+                    Seq *out, 
 					int *errno, char **errmsg);
 					
 char *ecoComplementPattern(char *nucAcSeq);
diff --git a/pkg/obiapat/pattern.go b/pkg/obiapat/pattern.go
old mode 100644
new mode 100755
index d48b0db..051ed19
--- a/pkg/obiapat/pattern.go
+++ b/pkg/obiapat/pattern.go
@@ -26,7 +26,7 @@ var _AllocatedApaPattern = 0
 // ApatPattern stores a regular pattern usable by the
 // Apat algorithm functions and methods
 type _ApatPattern struct {
-	pointer *C.Pattern
+	pointer C.PatternPtr
 	pattern string
 }
 
@@ -159,7 +159,7 @@ func (pattern ApatPattern) Free() {
 // Print method prints the ApatPattern to the standard output.
 // This is mainly a debug method.
 func (pattern ApatPattern) Print() {
-	C.PrintDebugPattern(C.PatternPtr(pattern.pointer.pointer))
+	C.PrintDebugPattern((*C.Pattern)(pattern.pointer.pointer))
 }
 
 // MakeApatSequence casts an obiseq.BioSequence to an ApatSequence.
diff --git a/pkg/obioptions/version.go b/pkg/obioptions/version.go
index f18b5eb..fb6ee04 100644
--- a/pkg/obioptions/version.go
+++ b/pkg/obioptions/version.go
@@ -8,7 +8,7 @@ import (
 // corresponds to the last commit, and not the one when the file will be
 // commited
 
-var _Commit = "a57cfda"
+var _Commit = "c0ecaf9"
 var _Version = "Release 4.4.0"
 
 // Version returns the version of the obitools package.