refactoring: renamed getstr to gets

src/userinput.c

@@ -62,7 +62,7 @@ char *readInput() {
     return buffer;
 }
 
-char *getstr(char *message, unsigned long *minLength, unsigned long *maxLength) {
+char *gets(char *message, unsigned long *minLength, unsigned long *maxLength) {
     printf("%s", message);
     fflush(stdout);
     char *result = readInput();
@@ -95,7 +95,7 @@ void printlf(long double value) {
 
 long double getNumber(char *message, long double *min, long double *max, long double *greaterThan, long double *smallerThan, long double leftBorder, long double rightBorder) {
     while (1) {
-        char *input = getstr(message, NULL, NULL);
+        char *input = gets(message, NULL, NULL);
         if (strlen(input) == 0) {
             printf("%s\n", "Fehlende Eingabe!");
             fflush(stdout);

src/userinput.h

@@ -1,6 +1,6 @@
 #ifndef USERINPUT_H
 #define USERINPUT_H
-char *getstr(char *message, unsigned long *minLength, unsigned long *maxLength);
+char *gets(char *message, unsigned long *minLength, unsigned long *maxLength);
 short gethd(char *message, short *min, short *max);
 int getd(char *message, int *min, int *max);
 long getld(char *message, long *min, long *max);