base/libs/jsmn/jsmn.h

#ifndef __JSMN_H_
#define __JSMN_H_

typedef enum {
    JSMN_PRIMITIVE = 0,
    JSMN_OBJECT = 1,
    JSMN_ARRAY = 2,
    JSMN_STRING = 3
} jsmntype_t;

typedef enum {
    /* Not enough tokens were provided */
    JSMN_ERROR_NOMEM = -1,
    /* Invalid character inside JSON string */
    JSMN_ERROR_INVAL = -2,
    /* The string is not a full JSON packet, more bytes expected */
    JSMN_ERROR_PART = -3,
    /* Everything was fine */
    JSMN_SUCCESS = 0
} jsmnerr_t;

typedef struct {
    jsmntype_t type;
    int start;
    int end;
    int size;
#ifdef JSMN_PARENT_LINKS
    int parent;
#endif
} jsmntok_t;

typedef struct {
    unsigned int pos; /* offset in the JSON string */
    int toknext; /* next token to allocate */
    int toksuper; /* superior token node, e.g parent object or array */
} jsmn_parser;

void jsmn_init(jsmn_parser *parser);

jsmnerr_t jsmn_parse(jsmn_parser *parser, const char *js, 
        jsmntok_t *tokens, unsigned int num_tokens);

#endif /* __JSMN_H_ */

---