assignment4.c:2:1: warning: C++ style comments are not allowed in ISO C90
assignment4.c:2:1: warning: (this will be reported only once per input file)
assignment4.c: In function `main':
assignment4.c:55: error: `passptr' undeclared (first use in this function)
assignment4.c:55: error: (Each undeclared identifier is reported only once
assignment4.c:55: error: for each function it appears in.)
assignment4.c:56: error: `keyptr' undeclared (first use in this function)
assignment4.c:53: warning: unused variable `pass_input'
assignment4.c:54: warning: unused variable `key_input'
assignment4.c: In function `get_password':
assignment4.c:81: error: 'passptr' redeclared as different kind of symbol
assignment4.c:79: error: previous definition of 'passptr' was here
assignment4.c:81: warning: initialization makes integer from pointer without a cast
assignment4.c:86: warning: format argument is not a pointer (arg 2)
assignment4.c:83: warning: unused variable `keyptr'
assignment4.c: In function `get_key':
assignment4.c:99: error: 'keyptr' redeclared as different kind of symbol
assignment4.c:96: error: previous definition of 'keyptr' was here
assignment4.c:97: warning: unused variable `pass_input'
assignment4.c: At top level:
assignment4.c:109: error: syntax error before "keyptr"
assignment4.c: In function `encrypt':
assignment4.c:109: error: number of arguments doesn't match prototype
assignment4.c:32: error: prototype declaration
assignment4.c:111: warning: initialization from incompatible pointer type
assignment4.c: At top level:
assignment4.c:125: error: syntax error before "keyptr"
assignment4.c: In function `decrypt':
assignment4.c:125: error: number of arguments doesn't match prototype
assignment4.c:41: error: prototype declaration