目的
 
		 
		Adds a colon to a JSON text.
 
	  
 
	 
 
	 Parameters
 
		 
		 
		   
			 - p
 
 
			 - A pointer specifying the address of the JSON text buffer.
 
 
		   
		
 
		 
		   
			 - l
 
 
			 - Specifies the length in bytes of the JSON text buffer.
 
 
		   
		
 
	  
 
	 Description
 
		 
		 JSONPUTCOLON writes a colon (:) to the first position in the buffer if the length of the buffer is greater than 0.If successful, it returns 1; otherwise zero is returned indicating there was no space in the buffer.
 
	  
 
	 例
 
		 
		 Assuming buffer length is at least 1, Bytes = jsonputcolon(p,l); will cause the buffer to contain a colon (:) in position 1.