C语言编程字符串的替换

可以使用字符串函数strreplace()函数来实现C语言编程中的字符串替换。该函数需要输入三个参数，分别为要替换的原字符串、要搜索的子字符串和替换子字符串，示例代码如下：

#include <string.h> 

char* str_replace(char* original, const char* pattern, const char* new_word)
{
    int len1,len2,len3,i,j,k;
    char* result;
    len1 = strlen(original); 
    len2 = strlen(pattern); 
    len3 = strlen(new_word); 

    if (len2 == 0) return original; 

    result = (char*)malloc(sizeof(char)*(len1 + 1));

    for (i = 0, j = 0; i < len1;)
    {
        if (original[i] == pattern[j])
        {
            for (k = 0; pattern[j] != '\0' && original[i] == pattern[j]; i++, j++, k++);
            if (pattern[j] == '\0')
            {
                for (k = 0; k < len3; k++)
                    result[i - len2 + k] = new_word[k];
                j = 0; 
            }
            else
            {
                result[i] = original[i];
                j = 0;
                i++;
            }
        }
        else
        {
            result[i] = original[i];
            j = 0;
            i++;
        }
    }
    result[len1] = '\0'; 
    free(original); 
    return result; 
}

这样，你就可以通过str_replace()函数实现字符串替换了。