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- #include<stdio.h>
- #include<string.h>
- void my_atoi(char str[])
- {
- int i,l;
- l=strlen(str);
- for(i=0; i<=l;i++)
- {
- if(str[i]>= '0' && str[i] <= '9');
- putchar(str[i]);
- }
- }
- int main()
- {
- char str[10];
- printf("Enter a string:");
- gets(str);
- my_atoi(str);
- return 0;
- }
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