Program to count number of vowels in a string

//Program to count number of vowels in a string #include<stdio.h> #include<conio.h> void main() { char str[50]; int a=0,e=0,i=0,o=0,u=0,j; clrscr(); printf("Enter string : "); gets(str); puts(str); for(j=0;str[j]!=NULL;j++) if(str[j]=='a'||str[j]=='A') a++; for(j=0;str[j]!=NULL;j++) if(str[j]=='e'||str[j]=='E') e++; for(j=0;str[j]!=NULL;j++) if(str[j]=='i'||str[j]=='I') i++; for(j=0;str[j]!=NULL;j++) if(str[j]=='o'||str[j]=='O') o++; for(j=0;str[j]!=NULL;j++) if(str[j]=='u'||str[j]=='U') u++; printf("%c is repeated %d time\n",'a',a); printf("%c is repeated %d time\n",'e',e); printf("%c is repeated %d time\n",'i',i); printf("%c is repeated %d time\n",'o',o); printf("%c is repeated %d time",'u',u); getch(); }