It expects 2 strings. While this compiles: char str[1024] = "Hello World"; char tmp = ' ... ... <看更多>

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A char is a single character. A char * and a char[] are both arrays of characters (more correctly char * is a pointer to an array of ... ... <看更多>

To add items to an array, use cJSON_AddItemToArray to append items to the end. Using cJSON_AddItemReferenceToArray an element can be added as a reference to ... ... <看更多>