diff --git a/include/flags.h b/include/flags.h
index 3bce4dc..c4a0234 100644
--- a/include/flags.h
+++ b/include/flags.h
@@ -66,7 +66,7 @@ typedef struct
     unsigned long unusedKeySize; //VARIABLE FOR COUNT OF UNUSED CHARACTERS IN KEY
     unsigned long repeatedKeySize; //VARIABLE FOR COUNT OF REPEATED CHARACTERS IN KEY (basically reversed unusedKeySize)
     unsigned long elapsedTime; //VARIABLE FOR ELAPSED TIME IN MICROSECONDS => 1s = 1000000µs
-    why2_bool exitCode; //VARIABLE FOR EXIT CODE
+    enum EXIT_CODES exitCode; //VARIABLE FOR EXIT CODE
 } outputFlags;
 
 //NOTE: Variables were moved to 'flags.c' to force y'all using getters
@@ -76,7 +76,7 @@ char getEncryptionSeparator(void);
 unsigned long getKeyLength(void);
 inputFlags getDefaultFlags(void); //THIS GENERATES inputFlags WITH DEFAULT VALUES
 inputFlags getFlags(void); //RETURNS USED FLAGS
-outputFlags noOutput(why2_bool exitCode); //SAME AS getDefaultFlags() BUT FOR outputFlags
+outputFlags noOutput(enum EXIT_CODES exitCode); //SAME AS getDefaultFlags() BUT FOR outputFlags
 encryptionOperation_type_cb getEncryptionOperation(void); //RETURNS FUNCTION WHICH IS USED FOR ENCRYPTION & DECRYPTION
 why2_bool getFlagsChanged(void);
 
diff --git a/include/misc.h b/include/misc.h
index e04d596..cf601cc 100644
--- a/include/misc.h
+++ b/include/misc.h
@@ -26,9 +26,9 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 void generateTextKeyChain(char *key, int *textKeyChain, int textKeyChainSize); //GENERATES ARRAY FOR ENCRYPTION/DECRYPTION
 void generateKey(char *key, int keyLength); //GENERATE ENCRYPTION KEY
 void deallocateOutput(outputFlags flags); //DEALLOCATES flags
-why2_bool checkVersion(void); //THIS FUNCTION CHECKS IF LATEST VERSION OF WHY2 IS USED
-why2_bool checkKey(char *key); //CHECKS IF KEY IS VALID
-why2_bool checkText(char *text); //CHECKS IF TEXT IS VALID
+enum EXIT_CODES checkVersion(void); //THIS FUNCTION CHECKS IF LATEST VERSION OF WHY2 IS USED
+enum EXIT_CODES checkKey(char *key); //CHECKS IF KEY IS VALID
+enum EXIT_CODES checkText(char *text); //CHECKS IF TEXT IS VALID
 unsigned long countIntLength(int number); //RETURNS LENGTH OF number
 unsigned long countUnusedKeySize(char *text, char *key); //COUNT unusedKeySize
 unsigned long countRepeatedKeySize(char *text, char *key); //COUNT repeatedKeySize
diff --git a/src/core/lib/flags.c b/src/core/lib/flags.c
index 2f68f72..fdfdca3 100644
--- a/src/core/lib/flags.c
+++ b/src/core/lib/flags.c
@@ -53,7 +53,7 @@ inputFlags getFlags(void)
     return flagsAllah;
 }
 
-outputFlags noOutput(why2_bool exitCode)
+outputFlags noOutput(enum EXIT_CODES exitCode)
 {
     char *emptyText = malloc(1); //TEXT
     emptyText[0] = '\0';
diff --git a/src/core/lib/misc.c b/src/core/lib/misc.c
index 98a6a08..d6aef8b 100644
--- a/src/core/lib/misc.c
+++ b/src/core/lib/misc.c
@@ -87,7 +87,7 @@ char *replaceWord(char *string, char *old, char *new) //CODE FROM: https://www.g
     return result;
 }
 
-why2_bool checkVersion(void)
+enum EXIT_CODES checkVersion(void)
 {
     if (getFlags().noCheck) return SUCCESS;
 
@@ -319,7 +319,7 @@ void deallocateOutput(outputFlags flags)
     flags.usedKey = NULL;
 }
 
-why2_bool checkKey(char *key)
+enum EXIT_CODES checkKey(char *key)
 {
     if (strlen(key) < getKeyLength())
     {
@@ -330,7 +330,7 @@ why2_bool checkKey(char *key)
     return SUCCESS;
 }
 
-why2_bool checkText(char *text)
+enum EXIT_CODES checkText(char *text)
 {
     if (strcmp(text, "") == 0)
     {