refactoring: renamed getul to getlu

src/userinput.c

@@ -199,7 +199,7 @@ unsigned int getu(char *message, unsigned int *min, unsigned int *max) {
     return getNumber(message, minld, maxld, NULL, NULL, 0, UINT_MAX);
 }
 
-unsigned long getul(char *message, unsigned long *min, unsigned long *max) {
+unsigned long getlu(char *message, unsigned long *min, unsigned long *max) {
     LD(min)
     LD(max)
     return getNumber(message, minld, maxld, NULL, NULL, 0, ULONG_MAX);

src/userinput.h

@@ -7,7 +7,7 @@ long getld(char *message, long *min, long *max);
 long long getlld(char *message, long long *min, long long *max);
 unsigned short gethu(char *message, unsigned short *min, unsigned short *max);
 unsigned int getu(char *message, unsigned int *min, unsigned int *max);
-unsigned long getul(char *message, unsigned long *min, unsigned long *max);
+unsigned long getlu(char *message, unsigned long *min, unsigned long *max);
 unsigned long long getull(char *message, unsigned long long *min, unsigned long long *max);
 double getlf(char *message, double *min, double *max, double *greaterThan, double *smallerThan);
 #endif