1SNPRINTF(9) Basic C Library Functions SNPRINTF(9)
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6 snprintf - Format a string and place it in a buffer
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9 int snprintf(char * buf, size_t size, const char * fmt, ...);
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12 buf
13 The buffer to place the result into
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15 size
16 The size of the buffer, including the trailing null space
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18 fmt
19 The format string to use @...: Arguments for the format string
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21 ...
22 variable arguments
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25 The return value is the number of characters which would be generated
26 for the given input, excluding the trailing null, as per ISO C99. If
27 the return is greater than or equal to size, the resulting string is
28 truncated.
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30 See the vsnprintf documentation for format string extensions over C99.
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33Kernel Hackers Manual 3.10 June 2019 SNPRINTF(9)