[itsCody]

This should get you started.
Try searching for these the next time.

PHP код:

#define MAX_GAS_PUMPS 5
enum gaspumpData {
    Float:xPos,
    Float:yPos,
    Float:zPos
}
new GasPumpLoc[MAX_GAS_PUMPS][gaspumpData] = {
    /*
        Edit below with the coords of your gas pumps
    */
    {X, Y, Z},
    {X, Y, Z},
    {X, Y, Z},
    {X, Y, Z},
    {X, Y, Z}
};
CMD:repair(playerid, params[])
{
    if(!IsPlayerNearAGasPump(playerid))
        return SendClientMessage(playerid, -1, "No where near a place you can repair your vehicle.");
    if(!IsPlayerInAnyVehicle(playerid))
        return SendClientMessage(playerid, -1, "You must be inside a vehicle to use this command.");
        
    // Repair, or whatever you have to do..
    return 1;
}
IsPlayerNearAGasPump(playerid)
{
    for(new i = 0; i < sizeof(GasPumpLoc); i++)
    {
        if(IsPlayerInRangeOfPoint(playerid, 4.0, GasPumpLoc[i][xPos], GasPumpLoc[i][yPos], GasPumpLoc[i][zPos])) return 1;
    }
    return 0;
}