64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
#include <stdlib.h>
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char *ft_strcpy(char *dest, char *src)
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{
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char *o_dest;
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o_dest = dest;
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while (*src)
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*dest++ = *src++;
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*dest = 0;
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return (o_dest);
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}
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int ft_strlen(char *str)
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{
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int size;
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size = 0;
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while (*str++)
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++size;
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return (size);
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}
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char *ft_strdup(char *src)
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{
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char *new_str;
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new_str = malloc(8 * ft_strlen(src));
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ft_strcpy(new_str, src);
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return (new_str);
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}
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/* ////
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#include <stdio.h>
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int main(void)
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{
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char *str1;
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char *stra;
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char *strb;
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char *str2;
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char *str3;
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char *str4;
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str1 = "The String";
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stra = "The String";
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strb = str1;
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str2 = ft_strdup(str1);
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str3 = ft_strdup(str1);
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str4 = ft_strdup(str2);
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printf("str1 value: %s, str1 address: %p\n", str1, str1);
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printf("stra value: %s, stra address: %p (==str1)\n", stra, stra);
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printf("strb value: %s, strb address: %p (==str1)\n", strb, strb);
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printf("str2 value: %s, str2 address: %p (diff)\n", str2, str2);
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printf("str3 value: %s, str3 address: %p (diff)\n", str3, str3);
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printf("str4 value: %s, str4 address: %p (diff)\n", str4, str4);
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free(str2);
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free(str3);
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free(str4);
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return (0);
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}
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*/ ////
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