The function converts int into a string.
 

str int2str(
str	ret,
str	pattern,
int	val
)

ret	A string for obtaining the conversion result. If the string is not empty, data will be appended.
pattern	The conversion pattern string completely coincides with the conversion pattern of the printf and sprintf functions.
val	The convertible value.

The function returns the parameter ret.

    Strings    Working with strings

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