1 files changed, 16 insertions, 3 deletions
diff --git a/src/c/string/convstr/gconvstrs.c b/src/c/string/convstr/gconvstrs.c
index d417496..3db7663 100644
--- a/src/c/string/convstr/gconvstrs.c
+++ b/src/c/string/convstr/gconvstrs.c
@@ -1,7 +1,20 @@
 #include <string.h>
 #include "convstr.h"
 
-int gconvstrs(int* in)
+void gconvstrs(char* in, int size,char* flag,int size2,char* out)
 {
-	return (toupper(in));
-}
-\ No newline at end of file
+	int i=0;//temp=0;
+	for(i=0;i<size;i++)
+	{
+		//temp= in[i];
+		if(flag[0]=='l' || flag[0]=='L')
+		{	//temp=temp + 32;
+			out[i]=tolower(in[i]);
+		}
+		else if(flag[0]=='u' || flag[0]=='U')
+		{
+			//temp=temp - 32;
+			out[i]=toupper(in[i]);
+		}
+	}
+}