Error(s):

source_file.c: In function ‘main’:
source_file.c:19:17: warning: initialization makes integer from pointer without a cast [-Wint-conversion]
     char string="Hello";
                 ^
source_file.c:21:27: error: invalid type argument of unary ‘*’ (have ‘int’)
     String=bin2str(value, *string);
                           ^
source_file.c:22:12: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘int’ [-Wformat=]
     printf("the string is %s", String);
            ^