61 lines
1008 B
C
61 lines
1008 B
C
/*
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** create a new array with the result of function f on every element of
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** s by index i
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*/
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/*
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** #include <libc.h>
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**
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** size_t ft_strlen(const char *str)
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** {
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** size_t i;
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**
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** i = 0;
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** while (str[i])
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** i++;
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** return (i);
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** }
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** char touppercase(unsigned int i, char c)
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** {
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** if (i < 3)
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** c -= 32;
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** return (c);
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** }
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**
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** char *ft_strmapi(char const *s, char (*f)(unsigned int, char));
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**
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** int main(int ac, char **av)
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** {
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** char *str;
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** char touppercase(unsigned int, char);
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**
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** if (ac != 2)
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** return (0);
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** str = av[1];
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** printf("%s\n",str);
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** str = ft_strmapi(str, touppercase);
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** printf("%s\n",str);
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** return (0);
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** }
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*/
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#include "libft.h"
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char *ft_strmapi(char const *s, char (*f)(unsigned int, char))
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{
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char *str;
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int i;
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int size;
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if (!s)
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return (NULL);
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size = ft_strlen(s);
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if (!(str = (char *)malloc(sizeof(char) * (size + 1))))
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return (NULL);
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str[size] = '\0';
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i = -1;
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while (s[++i])
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str[i] = f(i, s[i]);
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return (str);
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}
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