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#include <stdio.h>int snprintf(char * restrict buf, size_t num, const char * restrict format, ...)
The snprintf( ) function was added by C99.
The snprintf( ) function is identical to sprintf( ) except that a maximum of num–1 characters will be stored into the array pointed to by buf. On completion, this array is null-terminated. Thus, snprintf( ) allows you to prevent buf from being overrun.
Related functions are printf( ), sprintf( ), and fsprintf( ).
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