Built-in Functions
If none are found, current token extends to the end of s1, and subsequent
searches for a token will return null.
If one is found, it is overwritten by '\0', which terminates current token. Function
saves pointer to following character from which next search will start.
Each subsequent call, with 0 as first argument, starts searching from the saved
pointer.
Availability:
Requires:
Examples:
Example
Files:
Also See:
strtol( )
Syntax:
All devices.
#INCLUDE <string.h>
char string[30], term[3], *ptr;
strcpy(string,"one,two,three;");
strcpy(term,",;");
ptr = strtok(string, term);
while(ptr!=0) {
puts(ptr);
ptr = strtok(0, term);
}
// Prints:
one
two
three
strxxxx(), strcpy()
result=strtol( nptr ,& endptr , base )
Parameters: nptr and endptr are strings and base is an integer
Returns:
Function:
result is a signed long int.
returns the converted value in result , if any. If no conversion could be performed,
zero is returned.
The strtol function converts the initial portion of the string pointed to by nptr to a
signed long int representation in some radix determined by the value of base. The
part of the string after conversion is stored in the object pointed to endptr, provided
that endptr is not a null pointer. If nptr is empty or does not have the expected
form, no conversion is performed and the value of nptr is stored in the object
pointed to by endptr, provided endptr is not a null pointer.
297
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