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Example.
/* ltoa example */#include <stdio.h>#include <stdlib.h>int main (){ int i; char buffer [sizeof(long)*8+1]; printf ("Enter a number: "); scanf ("%d",&i); ltoa (i,buffer,10); printf ("decimal: %s/n",buffer); ltoa (i,buffer,16); printf ("hexadecimal: %s/n",buffer); ltoa (i,buffer,2); printf ("binary: %s/n",buffer); return 0;}
Convert long integer value to string.
Converts a long integer value to a null-terminated string using the specified radix and stores the result in the given buffer.
If radix is 10 and value is negative the string is preceded by the minus sign (-). With any other radix, value is always considered unsigned.
buffer should be large enough to contain any possible value: (sizeof(long)*8+1) for radix=2.
Parameters.
- value
- Value to be represented as a string.
- buffer
- Buffer where to store the resulting string.
- radix
- Numeral radix in which value has to be represented, between 2 and 36.
Return Value.
A pointer to the string.
Portability.
Not defined in ANSI-C. Supported by some compilers.
Enter a number: 16021977
decimal: 16021977
hexadecimal: f479d9
binary: 111101000111100111011001
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