Comments by surya teja Oct2021 (Top 3 by date)

It is throwing this error if do as you said
p4.c: In function ‘main’:
p4.c:20:15: error: ‘A’ undeclared (first use in this function)
20 | if(input == A || input == a)//A or a
| ^
p4.c:20:15: note: each undeclared identifier is reported only once for each function it appears in
p4.c:20:29: error: ‘a’ undeclared (first use in this function)
20 | if(input == A || input == a)//A or a
| ^
p4.c:22:20: error: ‘E’ undeclared (first use in this function)
22 | else if(input == E || input == e)//E or e
| ^
p4.c:22:34: error: ‘e’ undeclared (first use in this function)
22 | else if(input == E || input == e)//E or e
| ^
p4.c:24:20: error: ‘I’ undeclared (first use in this function)
24 | else if(input == I || input == i)//I or i
| ^
p4.c:24:34: error: ‘i’ undeclared (first use in this function)
24 | else if(input == I || input == i)//I or i
| ^
p4.c:26:20: error: ‘O’ undeclared (first use in this function)
26 | else if(input == O || input == o)//O or o
| ^
p4.c:26:34: error: ‘o’ undeclared (first use in this function)
26 | else if(input == O || input == o)//O or o
| ^
p4.c:28:20: error: ‘U’ undeclared (first use in this function)
28 | else if(input == U || input == u)//U or u
| ^
p4.c:28:34: error: ‘u’ undeclared (first use in this function)
28 | else if(input == U || input == u)//U or u
|